In baseball, the strikeout is a statistic used to evaluate pitchers. A pitcher earns a strikeout when he puts out the batter he is facing by throwing a ball through the strike zone, "defined as that area over homeplate (sic) the upper limit of which is a horizontal line at the midpoint between the top of the shoulders and the top of the uniform pants, and the lower level is a line at the hollow beneath the kneecap",[2] which is not put in play. Strikeouts are awarded in four situations: if the batter is put out on a third strike caught by the catcher (to "strike out swinging" or "strike out looking"); if the pitcher throws a third strike which is not caught with fewer than two outs; if the batter becomes a baserunner on an uncaught third strike; or if the batter bunts the ball into foul territory with two strikes.[3]

Major League Baseball recognizes the player or players in each league[a] with the most strikeouts each season. Jim Devlin led the National League in its inaugural season of 1876; he threw 122 strikeouts for the Louisville Grays.[4] The American League's first winner was Hall of Fame pitcher Cy Young, who captured the American League Triple Crown in 1901 by striking out 158 batters, along with leading the league in wins and earned run average.[5] Walter Johnson led the American League in strikeouts twelve times during his Hall of Fame career, most among all players.[6] He is followed by Nolan Ryan, who captured eleven titles between both leagues (nine in the American League and two in the National League).[7] Randy Johnson won nine strikeout titles, five coming with the Arizona Diamondbacks.[8] Three players have won seven strikeout championships: Dazzy Vance, who leads the National League;[9] Bob Feller;[10] and Lefty Grove.[11] Grover Cleveland Alexander and Rube Waddell led their league six times,[12][13] and five-time winners include Steve Carlton,[14] Roger Clemens,[15] Sam McDowell,[16] Christy Mathewson,[17] Amos Rusie,[18] and Tom Seaver.[19]

There are several players with a claim to the single-season strikeout record. Among recognized major leagues, Matt Kilroy accumulated the highest single-season total, with 513 strikeouts for the Baltimore Orioles of the American Association in 1886.[20] However, his name does not appear on Major League Baseball's single-season leaders list,[21] since the American Association was independent of the constituent leagues that currently make up Major League Baseball: [22] for the same reason, several other players with high totals, including 1886 American Association runner-up Toad Ramsey (499)[23] and 1884 Union Association leader Hugh Daily (483) also do not appear.[24]

In the National League, Charles "Old Hoss" Radbourn struck out 441 batters in 1884 for the Providence Grays;[25] however, the Providence franchise folded after the 1885 season and has no successor.[26] Accordingly, Major League Baseball recognizes the runner-up from 1884, Charlie Buffinton of the Boston Red Sox, as the record-holder with 417 strikeouts.[21] In the American League, Ryan holds the record with 383 strikeouts in 1973.[7]

The largest margin of victory for a champion is 156 strikeouts, achieved in 1883 when Tim Keefe of the American Association's New York Metropolitans posted 359 against Bobby Mathews' 203.[27] The National League's largest margin was achieved in 1999, when Randy Johnson struck out 143 more batters than Kevin Brown.[28] Ryan's 1973 margin of 125 strikeouts over Bert Blyleven is the largest American League victory.[29] Although ties for the championship are rare, they have occurred; Claude Passeau and Bucky Walters each struck out 137 National League batters in 1939,[30] and Tex Hughson and Bobo Newsom tied in the American League with 113 strikeouts each in 1942.[31] Their total is the lowest number of strikeouts accumulated to lead a league in Major League Baseball history (although Jacob deGrom only struck out 104 National League batters in 2020, the season was shortened by a pandemic to 60 games, or 37.04% of a regular season; had that season run a full 162 games, that would have been a net of 281 strikeouts).

Key

Year Links to the corresponding "year in baseball" or "Major League Baseball season" article
Leader Player with the highest number of strikeouts in the league
K Number of strikeouts[b]
Runner-up Player with the second-best strikeout total in the league
League Denoted only for players outside of the modern major leagues
† Member of the National Baseball Hall of Fame and Museum

National League

Year Leader K Team Runner-up K Ref
1876 Jim Devlin 122 Louisville Grays George Bradley 103 [33]
1877 Tommy Bond 170 Boston Red Caps Jim Devlin 141 [34]
1878 Tommy Bond 182 Boston Red Caps Will White 169 [35]
1879 John Montgomery Ward† 239 Providence Grays Will White 232 [36]
1880 Larry Corcoran 268 Chicago White Stockings Jim McCormick 260 [37]
1881 George Derby 212 Detroit Wolverines Jim McCormick 178 [38]
1882 Charles Radbourn† 201 Providence Grays Jim McCormick 200 [39]
1883 Jim Whitney 345 Boston Beaneaters Charles Radbourn† 315 [40]
1884 Charles Radbourn† 441 Providence Grays Charlie Buffinton 417 [41]
1885 John Clarkson† 308 Chicago White Stockings Mickey Welch† 258 [42]
1886 Lady Baldwin 323 Detroit Wolverines John Clarkson† 313 [43]
1887 John Clarkson† 237 Chicago White Stockings Tim Keefe† 189 [44]
1888 Tim Keefe† 335 New York Giants John Clarkson† 223 [45]
1889 John Clarkson† 284 Boston Beaneaters Tim Keefe† 225 [46]
1890 Amos Rusie† 341 New York Giants Bill Hutchison 289 [47]
1891 Amos Rusie† 337 New York Giants Bill Hutchison 261 [48]
1892 Bill Hutchison 314 Chicago White Stockings
 Amos Rusie† 304 [49]
1893 Amos Rusie† 208 New York Giants Brickyard Kennedy 107 [50]
1894 Amos Rusie† 195 New York Giants Ted Breitenstein 140 [51]
1895 Amos Rusie† 201 New York Giants Kid Nichols† 148 [52]
1896 Cy Young† 140 Cleveland Spiders Pink Hawley 137 [53]
1897 Doc McJames
Cy Seymour		 156 Washington Senators
New York Giants		 Joe Corbett 149 [54]
1898 Cy Seymour 239 New York Giants Doc McJames 178 [55]
1899 Noodles Hahn 145 Cincinnati Reds Cy Seymour 142 [56]
1900 Noodles Hahn 132 Cincinnati Reds Rube Waddell† 130 [57]
1901 Noodles Hahn 239 Cincinnati Reds Bill Donovan 226 [58]
1902 Vic Willis† 225 Boston Beaneaters Doc White 185 [59]
1903 Christy Mathewson† 267 New York Giants Joe McGinnity† 171 [60]
1904 Christy Mathewson† 212 New York Giants Vic Willis† 196 [61]
1905 Christy Mathewson† 206 New York Giants Red Ames 198 [62]
1906 Fred Beebe 171 Chicago Cubs
St. Louis Cardinals		 Francis "Big Jeff" Pfeffer 158 [63]
1907 Christy Mathewson† 178 New York Giants Bob Ewing 147 [64]
1908 Christy Mathewson† 259 New York Giants Nap Rucker 199 [65]
1909 Orval Overall 205 Chicago Cubs Nap Rucker 201 [66]
1910 Earl Moore 185 Philadelphia Phillies Christy Mathewson† 184 [67]
1911 Rube Marquard† 237 New York Giants Grover Cleveland Alexander† 227 [68]
1912 Grover Cleveland Alexander† 195 Philadelphia Phillies Claude Hendrix 176 [69]
1913 Tom Seaton 168 Philadelphia Phillies Jeff Tesreau 167 [70]
1914 Grover Cleveland Alexander† 214 Philadelphia Phillies Jeff Tesreau 189 [71]
1915 Grover Cleveland Alexander† 241 Philadelphia Phillies Jeff Tesreau 176 [72]
1916 Grover Cleveland Alexander† 167 Philadelphia Phillies Larry Cheney 166 [73]
1917 Grover Cleveland Alexander† 200 Philadelphia Phillies Hippo Vaughn 195 [74]
1918 Hippo Vaughn 148 Chicago Cubs Wilbur Cooper 117 [75]
1919 Hippo Vaughn 141 Chicago Cubs Hod Eller 137 [76]
1920 Grover Cleveland Alexander† 173 Chicago Cubs Burleigh Grimes†
Hippo Vaughn		 131 [77]
1921 Burleigh Grimes 136 Brooklyn Robins Wilbur Cooper 134 [78]
1922 Dazzy Vance† 134 Brooklyn Robins Wilbur Cooper 129 [79]
1923 Dazzy Vance† 197 Brooklyn Robins Dolf Luque 151 [80]
1924 Dazzy Vance† 262 Brooklyn Robins Burleigh Grimes† 135 [81]
1925 Dazzy Vance† 221 Brooklyn Robins Dolf Luque 140 [82]
1926 Dazzy Vance† 140 Brooklyn Robins Charlie Root 127 [83]
1927 Dazzy Vance† 184 Brooklyn Robins Charlie Root 145 [84]
1928 Dazzy Vance† 200 Brooklyn Robins Pat Malone 155 [85]
1929 Pat Malone 166 Chicago Cubs Watty Clark 140 [86]
1930 Bill Hallahan 177 St. Louis Cardinals Dazzy Vance† 173 [87]
1931 Bill Hallahan 159 St. Louis Cardinals Carl Hubbell† 155 [88]
1932 Dizzy Dean† 191 St. Louis Cardinals Carl Hubbell† 137 [89]
1933 Dizzy Dean† 199 St. Louis Cardinals Carl Hubbell† 156 [90]
1934 Dizzy Dean† 195 St. Louis Cardinals Van Mungo 184 [91]
1935 Dizzy Dean† 190 St. Louis Cardinals Carl Hubbell† 150 [92]
1936 Van Mungo 238 Brooklyn Dodgers Dizzy Dean† 195 [93]
1937 Carl Hubbell† 159 New York Giants Lee Grissom 149 [94]
1938 Clay Bryant 135 Chicago Cubs Paul Derringer 132 [95]
1939 Passeau, Claude; Walters, BuckyClaude Passeau[c]
Bucky Walters[c]		 137 Cincinnati Reds
Philadelphia Phillies
Chicago Cubs		 Mort Cooper 130 [30]
1940 Kirby Higbe 137 Philadelphia Phillies Claude Passeau
Whit Wyatt		 124 [96]
1941 Johnny Vander Meer 202 Cincinnati Reds Whit Wyatt 176 [97]
1942 Johnny Vander Meer 186 Cincinnati Reds Mort Cooper 152 [98]
1943 Johnny Vander Meer 174 Cincinnati Reds Mort Cooper 141 [99]
1944 Bill Voiselle 161 New York Giants Max Lanier 141 [100]
1945 Preacher Roe 148 Pittsburgh Pirates Hal Gregg 139 [101]
1946 Johnny Schmitz 135 Chicago Cubs Kirby Higbe 134 [102]
1947 Ewell Blackwell 193 Cincinnati Reds Ralph Branca 148 [103]
1948 Harry Brecheen 149 St. Louis Cardinals Rex Barney 138 [104]
1949 Warren Spahn† 151 Boston Braves Don Newcombe 149 [105]
1950 Warren Spahn† 191 Boston Braves Ewell Blackwell 188 [106]
1951 Don Newcombe
Warren Spahn†		 164 Brooklyn Dodgers
Boston Braves		 Sal Maglie 146 [107]
1952 Warren Spahn† 183 Boston Braves Bob Rush 157 [108]
1953 Robin Roberts† 198 Philadelphia Phillies Carl Erskine 187 [109]
1954 Robin Roberts† 185 Philadelphia Phillies Harvey Haddix 184 [110]
1955 Sam Jones 198 Chicago Cubs Robin Roberts† 160 [111]
1956 Sam Jones 176 Chicago Cubs Harvey Haddix 170 [112]
1957 Jack Sanford 188 Philadelphia Phillies Moe Drabowsky
Dick Drott		 170 [113]
1958 Sam Jones 225 St. Louis Cardinals Warren Spahn† 150 [114]
1959 Don Drysdale† 242 Los Angeles Dodgers Sam Jones 209 [115]
1960 Don Drysdale† 246 Los Angeles Dodgers Sandy Koufax† 197 [116]
1961 Sandy Koufax† 269 Los Angeles Dodgers Stan Williams 205 [117]
1962 Don Drysdale† 232 Los Angeles Dodgers Sandy Koufax† 219 [118]
1963 Sandy Koufax† 306 Los Angeles Dodgers Jim Maloney 265 [119]
1964 Bob Veale 250 Pittsburgh Pirates Bob Gibson† 245 [120]
1965 Sandy Koufax† 382 Los Angeles Dodgers Bob Veale 276 [121]
1966 Sandy Koufax† 317 Los Angeles Dodgers Jim Bunning† 252 [122]
1967 Jim Bunning† 253 Philadelphia Phillies Ferguson Jenkins† 236 [123]
1968 Bob Gibson† 268 St. Louis Cardinals Ferguson Jenkins† 260 [124]
1969 Ferguson Jenkins† 273 Chicago Cubs Bob Gibson† 269 [125]
1970 Tom Seaver† 283 New York Mets Bob Gibson†
Ferguson Jenkins†		 274 [126]
1971 Tom Seaver† 289 New York Mets Ferguson Jenkins† 263 [127]
1972 Steve Carlton† 310 Philadelphia Phillies Tom Seaver† 249 [128]
1973 Tom Seaver† 251 New York Mets Steve Carlton† 223 [129]
1974 Steve Carlton† 240 Philadelphia Phillies Andy Messersmith 221 [130]
1975 Tom Seaver† 243 New York Mets John Montefusco 215 [131]
1976 Tom Seaver† 235 New York Mets J. R. Richard 214 [132]
1977 Phil Niekro† 262 Atlanta Braves J. R. Richard 214 [133]
1978 J. R. Richard 303 Houston Astros Phil Niekro† 248 [134]
1979 J. R. Richard 313 Houston Astros Steve Carlton† 213 [135]
1980 Steve Carlton† 286 Philadelphia Phillies Nolan Ryan† 200 [136]
1981 Fernando Valenzuela 180 Los Angeles Dodgers Steve Carlton† 179 [137]
1982 Steve Carlton† 286 Philadelphia Phillies Mario Soto 274 [138]
1983 Steve Carlton† 275 Philadelphia Phillies Mario Soto 242 [139]
1984 Dwight Gooden 276 New York Mets Fernando Valenzuela 240 [140]
1985 Dwight Gooden 268 New York Mets Mario Soto 214 [141]
1986 Mike Scott 306 Houston Astros Fernando Valenzuela 242 [142]
1987 Nolan Ryan† 270 Houston Astros Mike Scott 233 [143]
1988 Nolan Ryan† 228 Houston Astros David Cone 213 [144]
1989 José DeLeón 201 St. Louis Cardinals Tim Belcher 200 [145]
1990 David Cone 233 New York Mets Dwight Gooden
Ramón Martínez		 223 [146]
1991 David Cone 241 New York Mets Greg Maddux† 198 [147]
1992 John Smoltz† 215 Atlanta Braves David Cone 214 [148]
1993 José Rijo 227 Cincinnati Reds John Smoltz† 208 [149]
1994 Andy Benes 189 San Diego Padres José Rijo 171 [150]
1995 Hideo Nomo 236 Los Angeles Dodgers John Smoltz† 193 [151]
1996 John Smoltz† 276 Atlanta Braves Hideo Nomo 234 [152]
1997 Curt Schilling 319 Philadelphia Phillies Pedro Martínez† 305 [153]
1998 Curt Schilling 300 Philadelphia Phillies Kevin Brown 257 [154]
1999 Randy Johnson† 364 Arizona Diamondbacks Kevin Brown 221 [28]
2000 Randy Johnson† 347 Arizona Diamondbacks Chan Ho Park 217 [155]
2001 Randy Johnson† 372 Arizona Diamondbacks Curt Schilling 293 [156]
2002 Randy Johnson† 334 Arizona Diamondbacks Curt Schilling 316 [157]
2003 Kerry Wood 266 Chicago Cubs Mark Prior 245 [158]
2004 Randy Johnson† 290 Arizona Diamondbacks Ben Sheets 264 [159]
2005 Jake Peavy 216 San Diego Padres Chris Carpenter 213 [160]
2006 Aaron Harang 216 Cincinnati Reds Jake Peavy 215 [161]
2007 Jake Peavy 240 San Diego Padres Aaron Harang 218 [162]
2008 Tim Lincecum 265 San Francisco Giants Dan Haren
Johan Santana
Edinson Vólquez		 206 [163]
2009 Tim Lincecum 261 San Francisco Giants Javier Vázquez 238 [164]
2010 Tim Lincecum 231 San Francisco Giants Roy Halladay† 219 [165]
2011 Clayton Kershaw 248 Los Angeles Dodgers Cliff Lee 238 [166]
2012 R. A. Dickey 230 New York Mets Clayton Kershaw 229 [167]
2013 Clayton Kershaw 232 Los Angeles Dodgers Cliff Lee 222 [168]
2014 Johnny Cueto
Stephen Strasburg		 242 Cincinnati Reds
Washington Nationals		 Clayton Kershaw 239 [169]
2015 Clayton Kershaw 301 Los Angeles Dodgers Max Scherzer 276 [170]
2016 Max Scherzer 284 Washington Nationals José Fernández 253 [171]
2017 Max Scherzer 268 Washington Nationals Jacob deGrom 239 [172]
2018 Max Scherzer 300 Washington Nationals Jacob deGrom 269 [173]
2019 Jacob deGrom 255 New York Mets Stephen Strasburg 251 [174]
2020 Jacob deGrom 104 New York Mets Trevor Bauer 100 [175]
2021 Zack Wheeler 247 Philadelphia Phillies Max Scherzer 236 [176]
2022 Corbin Burnes 238 Milwaukee Brewers Carlos Rodon 237 [177]
2023 Spencer Strider 281 Atlanta Braves Blake Snell 234 [178]
2024 Chris Sale 225 Atlanta Braves Dylan Cease
Zack Wheeler		 224 [179]
2025 Logan Webb 224 San Francisco Giants Jesús Luzardo
Paul Skenes		 216 [180]

American League

Year Leader K Team Runner-up K Ref
1901 Cy Young† 158 Boston Americans Roy Patterson 127 [184]
1902 Rube Waddell† 210 Philadelphia Athletics Cy Young† 160 [185]
1903 Rube Waddell† 302 Philadelphia Athletics Bill Donovan 187 [186]
1904 Rube Waddell† 349 Philadelphia Athletics Jack Chesbro† 239 [187]
1905 Rube Waddell† 287 Philadelphia Athletics Eddie Plank†
Cy Young†		 210 [188]
1906 Rube Waddell† 196 Philadelphia Athletics Cy Falkenberg 178 [189]
1907 Rube Waddell† 232 Philadelphia Athletics Ed Walsh† 206 [190]
1908 Ed Walsh† 269 Chicago White Sox Rube Waddell† 232 [191]
1909 Frank Smith 177 Chicago White Sox Walter Johnson† 164 [192]
1910 Walter Johnson† 313 Washington Senators Ed Walsh† 258 [193]
1911 Ed Walsh† 255 Chicago White Sox Joe Wood 231 [194]
1912 Walter Johnson† 303 Washington Senators Joe Wood 258 [195]
1913 Walter Johnson† 243 Washington Senators Cy Falkenberg
Vean Gregg		 166 [196]
1914 Walter Johnson† 225 Washington Senators Willie Mitchell 179 [197]
1915 Walter Johnson† 203 Washington Senators Red Faber† 182 [198]
1916 Walter Johnson† 228 Washington Senators Elmer Myers 182 [199]
1917 Walter Johnson† 188 Washington Senators Eddie Cicotte 150 [200]
1918 Walter Johnson† 162 Washington Senators Jim Shaw 129 [201]
1919 Walter Johnson† 147 Washington Senators Jim Shaw 128 [202]
1920 Stan Coveleski† 133 Cleveland Indians Lefty Williams 128 [203]
1921 Walter Johnson† 143 Washington Senators Urban Shocker 132 [204]
1922 Urban Shocker 149 St. Louis Browns Red Faber† 148 [205]
1923 Walter Johnson† 130 Washington Senators Joe Bush
Bob Shawkey		 125 [206]
1924 Walter Johnson† 158 Washington Senators Howard Ehmke 119 [207]
1925 Lefty Grove† 116 Philadelphia Athletics Walter Johnson† 108 [208]
1926 Lefty Grove† 194 Philadelphia Athletics George Uhle 159 [209]
1927 Lefty Grove† 174 Philadelphia Athletics Rube Walberg 136 [210]
1928 Lefty Grove† 183 Philadelphia Athletics George Pipgras 139 [211]
1929 Lefty Grove† 170 Philadelphia Athletics George Earnshaw 149 [212]
1930 Lefty Grove† 209 Philadelphia Athletics George Earnshaw 193 [213]
1931 Lefty Grove† 175 Philadelphia Athletics George Earnshaw 152 [214]
1932 Red Ruffing† 190 New York Yankees Lefty Grove† 188 [215]
1933 Lefty Gomez† 163 New York Yankees Bump Hadley 149 [216]
1934 Lefty Gomez† 158 New York Yankees Tommy Bridges 151 [217]
1935 Tommy Bridges 163 Detroit Tigers Schoolboy Rowe 140 [218]
1936 Tommy Bridges 175 Detroit Tigers Johnny Allen 165 [219]
1937 Lefty Gomez† 194 New York Yankees Bobo Newsom 166 [220]
1938 Bob Feller† 240 Cleveland Indians Bobo Newsom 226 [221]
1939 Bob Feller† 246 Cleveland Indians Bobo Newsom 192 [222]
1940 Bob Feller† 261 Cleveland Indians Bobo Newsom 164 [223]
1941 Bob Feller† 260 Cleveland Indians Bobo Newsom 175 [224]
1942 Tex Hughson
Bobo Newsom		 113 Boston Red Sox
Washington Senators		 Al Benton
Phil Marchildon		 110 [31]
1943 Allie Reynolds 151 Cleveland Indians Hal Newhouser† 144 [225]
1944 Hal Newhouser† 187 Detroit Tigers Dizzy Trout 144 [226]
1945 Hal Newhouser† 212 Detroit Tigers Nels Potter 129 [227]
1946 Bob Feller† 348 Cleveland Indians Hal Newhouser† 275 [228]
1947 Bob Feller† 196 Cleveland Indians Hal Newhouser† 176 [229]
1948 Bob Feller† 164 Cleveland Indians Bob Lemon† 147 [230]
1949 Virgil Trucks 153 Detroit Tigers Hal Newhouser† 144 [231]
1950 Bob Lemon† 170 Cleveland Indians Allie Reynolds 160 [232]
1951 Vic Raschi 164 New York Yankees Early Wynn† 133 [233]
1952 Allie Reynolds 160 New York Yankees Early Wynn† 153 [234]
1953 Billy Pierce 186 Chicago White Sox Virgil Trucks 149 [235]
1954 Bob Turley 185 Baltimore Orioles Early Wynn† 155 [236]
1955 Herb Score 245 Cleveland Indians Bob Turley 210 [237]
1956 Herb Score 263 Cleveland Indians Billy Pierce 192 [238]
1957 Early Wynn† 184 Cleveland Indians Jim Bunning† 182 [239]
1958 Early Wynn† 179 Chicago White Sox Jim Bunning† 177 [240]
1959 Jim Bunning† 201 Detroit Tigers Camilo Pascual 185 [241]
1960 Jim Bunning† 201 Detroit Tigers Pedro Ramos 160 [242]
1961 Camilo Pascual 221 Minnesota Twins Whitey Ford† 209 [243]
1962 Camilo Pascual 206 Minnesota Twins Jim Bunning† 184 [244]
1963 Camilo Pascual 202 Minnesota Twins Jim Bunning† 196 [245]
1964 Al Downing 217 New York Yankees Camilo Pascual 213 [246]
1965 Sam McDowell 325 Cleveland Indians Mickey Lolich 226 [247]
1966 Sam McDowell 225 Cleveland Indians Jim Kaat† 205 [248]
1967 Jim Lonborg 246 Boston Red Sox Sam McDowell 236 [249]
1968 Sam McDowell 283 Cleveland Indians Denny McLain 280 [250]
1969 Sam McDowell 279 Cleveland Indians Mickey Lolich 271 [251]
1970 Sam McDowell 304 Cleveland Indians Mickey Lolich 230 [252]
1971 Mickey Lolich 308 Detroit Tigers Vida Blue 301 [253]
1972 Nolan Ryan† 329 California Angels Mickey Lolich 250 [254]
1973 Nolan Ryan† 383 California Angels Bert Blyleven† 258 [29]
1974 Nolan Ryan† 367 California Angels Bert Blyleven† 249 [255]
1975 Frank Tanana 269 California Angels Bert Blyleven†
Gaylord Perry†		 233 [256]
1976 Nolan Ryan† 327 California Angels Frank Tanana 261 [257]
1977 Nolan Ryan† 341 California Angels Dennis Leonard 244 [258]
1978 Nolan Ryan† 260 California Angels Ron Guidry 248 [259]
1979 Nolan Ryan† 223 California Angels Ron Guidry 201 [260]
1980 Len Barker 187 Cleveland Indians Mike Norris 180 [261]
1981 Len Barker 127 Cleveland Indians Britt Burns 108 [262]
1982 Floyd Bannister 209 Seattle Mariners Len Barker 187 [263]
1983 Jack Morris† 232 Detroit Tigers Floyd Bannister 193 [264]
1984 Mark Langston 204 Seattle Mariners Dave Stieb 198 [265]
1985 Bert Blyleven† 206 Cleveland Indians
Minnesota Twins		 Floyd Bannister 198 [266]
1986 Mark Langston 245 Seattle Mariners Roger Clemens 238 [267]
1987 Mark Langston 262 Seattle Mariners Roger Clemens 256 [268]
1988 Roger Clemens 291 Boston Red Sox Mark Langston 235 [269]
1989 Nolan Ryan† 301 Texas Rangers Roger Clemens 230 [270]
1990 Nolan Ryan† 232 Texas Rangers Bobby Witt 221 [271]
1991 Roger Clemens 241 Boston Red Sox Randy Johnson† 228 [272]
1992 Randy Johnson† 241 Seattle Mariners Mélido Pérez 218 [273]
1993 Randy Johnson† 308 Seattle Mariners Mark Langston 196 [274]
1994 Randy Johnson† 204 Seattle Mariners Roger Clemens 168 [275]
1995 Randy Johnson† 294 Seattle Mariners Todd Stottlemyre 205 [276]
1996 Roger Clemens 257 Boston Red Sox Chuck Finley 215 [277]
1997 Roger Clemens 292 Toronto Blue Jays Randy Johnson† 291 [278]
1998 Roger Clemens 271 Toronto Blue Jays Pedro Martínez† 251 [279]
1999 Pedro Martínez† 313 Boston Red Sox Chuck Finley 200 [280]
2000 Pedro Martínez† 284 Boston Red Sox Bartolo Colón 212 [281]
2001 Hideo Nomo 220 Boston Red Sox Mike Mussina† 214 [282]
2002 Pedro Martínez† 239 Boston Red Sox Roger Clemens 192 [283]
2003 Esteban Loaiza 207 Chicago White Sox Pedro Martínez† 206 [284]
2004 Johan Santana 265 Minnesota Twins Pedro Martínez† 227 [285]
2005 Johan Santana 238 Minnesota Twins Randy Johnson† 211 [286]
2006 Johan Santana 245 Minnesota Twins Jeremy Bonderman 202 [182]
2007 Scott Kazmir 239 Tampa Bay Devil Rays Johan Santana 235 [287]
2008 A. J. Burnett 231 Toronto Blue Jays Ervin Santana 214 [288]
2009 Justin Verlander 269 Detroit Tigers Zack Greinke 242 [289]
2010 Jered Weaver 233 Los Angeles Angels of Anaheim Félix Hernández 232 [290]
2011 Justin Verlander 250 Detroit Tigers CC Sabathia† 230 [291]
2012 Justin Verlander 239 Detroit Tigers Max Scherzer 231 [292]
2013 Yu Darvish 277 Texas Rangers Max Scherzer 240 [293]
2014 David Price 271 Tampa Bay Rays
Detroit Tigers		 Corey Kluber 269 [294]
2015 Chris Sale 274 Chicago White Sox Chris Archer 252 [295]
2016 Justin Verlander 254 Detroit Tigers Chris Archer
Chris Sale		 233 [296]
2017 Chris Sale 308 Boston Red Sox Corey Kluber 265 [297]
2018 Justin Verlander 290 Houston Astros Gerrit Cole 276 [298]
2019 Gerrit Cole 326 Houston Astros Justin Verlander 300 [299]
2020 Shane Bieber 122 Cleveland Indians Lucas Giolito 97 [300]
2021 Robbie Ray 248 Toronto Blue Jays Gerrit Cole 243 [301]
2022 Gerrit Cole 257 New York Yankees Dylan Cease 227 [302]
2023 Kevin Gausman 237 Toronto Blue Jays Pablo López 234 [303]
2024 Tarik Skubal 228 Detroit Tigers Cole Ragans 223 [304]
2025 Garrett Crochet 255 Boston Red Sox Tarik Skubal 241 [305]

Other major leagues

Year Leader K Team League Runner-up K Ref
1882 Tony Mullane 170 Louisville Eclipse American Association Harry Salisbury 135 [306]
1883 Tim Keefe† 359 New York Metropolitans American Association Bobby Mathews 203 [27]
1884 Guy Hecker 385 Louisville Eclipse American Association Hardie Henderson 346 [307]
1884 Hugh Daily 483 Chicago Browns
Washington Nationals		 Union Association Bill Sweeney 374 [308]
1885 Ed Morris 298 Pittsburgh Alleghenys American Association Bobby Mathews 286 [309]
1886 Matt Kilroy 513 Baltimore Orioles American Association Toad Ramsey 499 [310]
1887 Toad Ramsey 355 Louisville Eclipse American Association Matt Kilroy 217 [311]
1888 Ed Seward 272 Philadelphia Athletics American Association Silver King 258 [312]
1889 Mark Baldwin 368 Columbus Solons American Association Matt Kilroy 217 [313]
1890 Sadie McMahon 291 Philadelphia Athletics
Baltimore Orioles		 American Association Jack Stivetts 289 [314]
1890 Mark Baldwin 206 Chicago Pirates Players' League Silver King 185 [315]
1891 Jack Stivetts 259 St. Louis Browns American Association Phil Knell 228 [316]
1914 Cy Falkenberg 236 Indianapolis Hoosiers Federal League Earl Moseley 205 [317]
1915 Dave Davenport 229 St. Louis Terriers Federal League Al Schulz 160 [318]

Negro Major Leagues

Negro National League I

Year Leader K Team Runner-up K Ref
1920 Sam Crawford 106 Kansas City Monarchs José Leblanc 103 [319]
1921 Bill Holland 140 Kansas City Monarchs Bill Drake 136 [320]
1922 Bill Force 120 Detroit Stars Bullet Rogan† 118 [321]
1923 Bullet Rogan† 151 Kansas City Monarchs Rube Curry 119 [322]
1924 Sam Streeter 128 Birmingham Black Barons Robert Poindexter 121 [323]
1925 Bullet Rogan† 96 Kansas City Monarchs Steel Arm Tyler 93 [324]
1926 Logan Hensley 122 St. Louis Stars Bill Foster† 111 [325]
1927 Ted Trent 133 St. Louis Stars Bill Foster† 119 [326]
1928 Satchel Paige† 121 Birmingham Black Barons Bill Foster† 119 [327]
1929 Satchel Paige† 189 Birmingham Black Barons Andy Cooper† 104 [328]
1930 Bill Foster† 133 Chicago American Giants Army Cooper 104 [329]
1931 Ray Brown† 79 Indianapolis ABCs Willie Powell 56 [330]

Eastern Colored League

Year Leader K Team Runner-up K Ref
1923 Rats Henderson 100 Atlantic City Bacharach Giants Nip Winters 95 [331]
1924 Nip Winters 114 Hilldale Club Dave Brown 107 [332]
1925 Rats Henderson 125 Atlantic City Bacharach Giants Claude Grier 103 [333]
1926 Claude Grier 141 Atlantic City Bacharach Giants Rats Henderson 100 [334]
1927 Luther Farrell 138 Atlantic City Bacharach Giants Phil Cockrell 78 [335]
1928 Laymon Yokely 103 Baltimore Black Sox Luther Farrell 87 [336]

American Negro League

Year Leader K Team Runner-up K Ref
1929 Laymon Yokely 97 Baltimore Black Sox Smokey Joe Williams† 85 [337]

East–West League

Year Leader K Team Runner-up K Ref
1932 Bertrum Hunter 72 Detroit Wolves / Homestead Grays Lefty Holmes 68 [338]

Negro Southern League

Year Leader K Team Runner-up K Ref
1932 Barney Morris 81 Monroe Monarchs Bill Foster† 76 [339]

Negro National League II

Year Leader K Team Runner-up K Ref
1933 Leroy Matlock 100 Pittsburgh Crawfords Bertrum Hunter 80 [340]
1934 Slim Jones 164 Pittsburgh Crawfords Satchel Paige† 152 [341]
1935 Luis Tiant Sr. 64 New York Cubans Leon Day† 62 [342]
1936 Satchel Paige† 72 Pittsburgh Crawfords Neck Stanley 62 [343]
1937 Ray Brown† 74 Homestead Grays Barney Morris 54 [344]
1938 Ray Brown† 70 Homestead Grays Henry McHenry 61 [345]
1939 Neck Stanley 44 New York Black Yankees Jim Missouri 43 [346]
1940 Henry McHenry 86 Philadelphia Stars Edsall Walker 81 [347]
1941 Dave Barnhill 109 New York Cubans Terris McDuffie 82 [348]
1942 Leon Day† 86 Homestead Grays / Newark Eagles Barney Brown 77 [349]
1943 Bill Byrd
Johnny Wright		 94 Baltimore Elite Giants / Philadelphia Stars
Homestead Grays		 Dave Barnhill 87 [350]
1944 Bill Ricks 103 Philadelphia Stars Bill Byrd 58 [351]
1945 Bill Byrd 91 Baltimore Elite Giants Roy Partlow 80 [352]
1946 Leon Day† 109 Newark Eagles Henry McHenry 90 [353]
1947 Bob Romby 99 Baltimore Elite Giants Rufus Lewis 81 [354]
1948 Joe Black 85 Baltimore Elite Giants Bill Byrd 79 [355]

Negro American League

Year Leader K Team Runner-up K Ref
1937 Hilton Smith† 99 Chicago American Giants / Kansas City Monarchs Jesse Houston 84 [356]
1938 Hilton Smith† 88 Kansas City Monarchs Willie Cornelius 77 [357]
1939 Hilton Smith† 85 Kansas City Monarchs George Walker 63 [358]
1940 Preacher Henry 63 Cleveland Bears Hilton Smith† 57 [359]
1941 Hilton Smith† 57 Kansas City Monarchs Satchel Paige† 48 [360]
1942 Satchel Paige† 56 Kansas City Monarchs Hilton Smith† 42 [361]
1943 Satchel Paige† 102 Kansas City Monarchs / Memphis Red Sox Alvin Gipson 62 [362]
1944 Satchel Paige† 105 Kansas City Monarchs Verdell Mathis 56 [363]
1945 Booker McDaniel 117 Kansas City Monarchs Jim LaMarque 71 [364]
1946 Connie Johnson 63 Kansas City Monarchs Walter McCoy 43 [365]
1947 Jim LaMarque 85 Kansas City Monarchs Ted Alexander
Dan Bankhead		 34 [366]
1948 Jim LaMarque 80 Kansas City Monarchs Gene Collins 62 [367]

Footnotes

References

General
Inline citations
  1. "The Fans Speak Out". Baseball Digest. 55 (10). Lakeside: 7. October 1996. ISSN 0005-609X.
  2. "Umpires: Rules of Interest". MLB.com. Archived from the original on March 1, 2009.
  3. "Official Rules (10.15: Strikeouts)" (PDF). Major League Baseball. pp. 113–114. Archived (PDF) from the original on February 5, 2009.
  4. "Jim Devlin Statistics and History". Baseball-Reference.com. Archived from the original on November 7, 2022.
  5. "Cy Young Statistics and History". Baseball-Reference.com. Archived from the original on February 10, 2009.
  6. "Walter Johnson Statistics and History". Baseball-Reference.com. Archived from the original on May 8, 2018.
  7. "Nolan Ryan Statistics and History". Baseball-Reference.com. Archived from the original on January 4, 2010.
  8. "Randy Johnson Statistics and History". Baseball-Reference.com. Archived from the original on August 26, 2014.
  9. "Dazzy Vance Statistics and History". Baseball-Reference.com. Archived from the original on May 17, 2021.
  10. "Bob Feller Statistics and History". Baseball-Reference.com. Archived from the original on April 27, 2011.
  11. "Lefty Grove Statistics and History". Baseball-Reference.com. Archived from the original on April 14, 2011.
  12. "Grover Cleveland Alexander Statistics and History". Baseball-Reference.com. Archived from the original on September 6, 2010.
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  28. "1999 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 4, 2009.
  29. "1973 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 8, 2017.
  30. "1939 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 11, 2010.
  31. "1942 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 15, 2010.
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  33. "1876 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 12, 2009.
  34. "1877 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 15, 2009.
  35. "1878 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on August 7, 2010.
  36. "1879 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 23, 2010.
  37. "1880 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 23, 2010.
  38. "1881 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 22, 2010.
  39. "1882 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 13, 2010.
  40. "1883 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 11, 2010.
  41. "1884 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 11, 2010.
  42. "1885 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 11, 2010.
  43. "1886 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 13, 2010.
  44. "1887 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 2, 2010.
  45. "1888 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 9, 2010.
  46. "1889 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 23, 2010.
  47. "1890 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 12, 2010.
  48. "1891 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on October 31, 2022.
  49. "1892 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 17, 2010.
  50. "1893 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 12, 2010.
  51. "1894 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 12, 2010.
  52. "1895 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 12, 2010.
  53. "1896 National League Pitching Leaders". Baseball-Reference.com.
  54. "1897 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 17, 2010.
  55. "1898 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 11, 2010.
  56. "1899 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 12, 2010.
  57. "1900 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 12, 2010.
  58. "1901 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 13, 2010.
  59. "1902 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 15, 2010.
  60. "1903 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 15, 2010.
  61. "1904 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 13, 2010.
  62. "1905 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 21, 2009.
  63. "1906 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 19, 2009.
  64. "1907 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 17, 2010.
  65. "1908 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 17, 2010.
  66. "1909 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 19, 2009.
  67. "1910 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 26, 2009.
  68. "1911 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on October 23, 2009.
  69. "1912 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 12, 2010.
  70. "1913 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 14, 2010.
  71. "1914 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 14, 2010.
  72. "1915 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 7, 2021.
  73. "1916 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 8, 2021.
  74. "1917 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 6, 2010.
  75. "1918 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 14, 2010.
  76. "1919 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 22, 2010.
  77. "1920 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on August 1, 2021.
  78. "1921 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 17, 2010.
  79. "1922 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 26, 2010.
  80. "1923 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 17, 2010.
  81. "1924 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 4, 2009.
  82. "1925 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 8, 2010.
  83. "1926 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 11, 2010.
  84. "1927 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on April 17, 2010.
  85. "1928 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 4, 2009.
  86. "1929 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 17, 2010.
  87. "1930 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 17, 2010.
  88. "1931 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 4, 2009.
  89. "1932 National League Pitching Leaders". Baseball-Reference.com.
  90. "1933 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 14, 2010.
  91. "1934 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 5, 2010.
  92. "1935 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 17, 2010.
  93. "1936 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 17, 2010.
  94. "1937 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 27, 2010.
  95. "1938 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 25, 2009.
  96. "1940 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on April 6, 2022.
  97. "1941 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on April 6, 2022.
  98. "1942 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 27, 2010.
  99. "1943 National League Pitching Leaders". Baseball-Reference.com.
  100. "1944 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on April 11, 2010.
  101. "1945 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on May 26, 2010.
  102. "1946 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on October 28, 2010.
  103. "1947 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 4, 2009.
  104. "1948 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 4, 2009.
  105. "1949 National League Pitching Leaders". Baseball-Reference.com.
  106. "1950 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 27, 2010.
  107. "1951 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 29, 2010.
  108. "1952 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 17, 2010.
  109. "1953 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 17, 2010.
  110. "1954 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 17, 2010.
  111. "1955 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 14, 2010.
  112. "1956 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 2, 2022.
  113. "1957 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on April 9, 2009.
  114. "1958 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 27, 2010.
  115. "1959 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 2, 2022.
  116. "1960 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 14, 2010.
  117. "1961 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on July 27, 2009.
  118. "1962 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 2, 2010.
  119. "1963 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on June 17, 2018.
  120. "1964 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 5, 2009.
  121. "1965 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on June 17, 2018.
  122. "1966 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on June 17, 2018.
  123. "1967 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 22, 2010.
  124. "1968 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 22, 2018.
  125. "1969 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 5, 2011.
  126. "1970 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 2, 2010.
  127. "1971 National League Pitching Leaders". Baseball-Reference.com.
  128. "1972 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 5, 2010.
  129. "1973 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on May 14, 2009.
  130. "1974 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 26, 2010.
  131. "1975 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 22, 2010.
  132. "1976 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 5, 2010.
  133. "1977 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 26, 2010.
  134. "1978 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on June 20, 2023.
  135. "1979 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on June 20, 2023.
  136. "1980 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on July 11, 2010.
  137. "1981 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 22, 2010.
  138. "1982 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on April 29, 2011.
  139. "1983 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 24, 2009.
  140. "1984 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 29, 2010.
  141. "1985 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 25, 2010.
  142. "1986 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 8, 2010.
  143. "1987 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on August 14, 2019.
  144. "1988 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on July 30, 2009.
  145. "1989 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 15, 2010.
  146. "1990 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 17, 2009.
  147. "1991 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 15, 2010.
  148. "1992 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 5, 2009.
  149. "1993 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 5, 2009.
  150. "1994 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on August 7, 2009.
  151. "1995 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on July 17, 2009.
  152. "1996 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 12, 2010.
  153. "1997 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 12, 2010.
  154. "1998 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 4, 2009.
  155. "2000 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on July 22, 2019.
  156. "2001 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on July 15, 2009.
  157. "2002 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 4, 2009.
  158. "2003 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on April 16, 2009.
  159. "2004 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on October 29, 2009.
  160. "2005 National League Pitching Leaders". Baseball-Reference.com.
  161. "2006 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on August 12, 2009.
  162. "2007 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 6, 2009.
  163. "2008 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on June 16, 2009.
  164. "2009 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on May 19, 2009.
  165. "2010 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on April 20, 2010.
  166. "2011 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on April 2, 2024.
  167. "2012 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on October 3, 2012.
  168. "2013 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 21, 2013.
  169. "2014 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 24, 2014.
  170. "2015 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on October 7, 2015.
  171. "2016 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on October 1, 2020.
  172. "2017 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on October 2, 2017.
  173. "2018 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 29, 2019.
  174. "2019 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 29, 2019.
  175. "2020 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 25, 2021.
  176. "2021 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on October 3, 2021.
  177. "2022 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on October 5, 2022.
  178. "2023 National League Pitching Leaders". Baseball-Reference.com. Archived from the original on October 4, 2023.
  179. "2024 National League Pitching Leaders". Baseball-Reference.com.
  180. "2025 National League Pitching Leaders". Baseball-Reference.com.
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  182. "2006 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 19, 2010.
  183. "Justin Verlander Statistics and History". Baseball-Reference.com.
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  185. "1902 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 11, 2010.
  186. "1903 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 12, 2010.
  187. "1904 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 13, 2010.
  188. "1905 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 6, 2010.
  189. "1906 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 21, 2010.
  190. "1907 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 8, 2017.
  191. "1908 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 13, 2009.
  192. "1909 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 13, 2009.
  193. "1910 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 1, 2010.
  194. "1911 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 3, 2010.
  195. "1912 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 8, 2017.
  196. "1913 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on April 26, 2021.
  197. "1914 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 2, 2010.
  198. "1915 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 19, 2009.
  199. "1916 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on October 16, 2021.
  200. "1917 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on October 16, 2021.
  201. "1918 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on April 21, 2021.
  202. "1919 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 29, 2009.
  203. "1920 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 26, 2010.
  204. "1921 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 26, 2010.
  205. "1922 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 8, 2021.
  206. "1923 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 8, 2021.
  207. "1924 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on July 24, 2019.
  208. "1925 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on July 26, 2019.
  209. "1926 American League Pitching Leaders". Baseball-Reference.com.
  210. "1927 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 14, 2009.
  211. "1928 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 5, 2009.
  212. "1929 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 5, 2009.
  213. "1930 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 5, 2009.
  214. "1931 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 5, 2009.
  215. "1932 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 9, 2021.
  216. "1933 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 5, 2009.
  217. "1934 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 5, 2009.
  218. "1935 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 9, 2021.
  219. "1936 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 8, 2021.
  220. "1937 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 8, 2021.
  221. "1938 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 8, 2021.
  222. "1939 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 10, 2021.
  223. "1940 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 5, 2009.
  224. "1941 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 16, 2010.
  225. "1943 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 6, 2020.
  226. "1944 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 14, 2010.
  227. "1945 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on May 9, 2021.
  228. "1946 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 10, 2010.
  229. "1947 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 9, 2010.
  230. "1948 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 24, 2020.
  231. "1949 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on July 27, 2009.
  232. "1950 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on March 24, 2010.
  233. "1951 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on September 20, 2019.
  234. "1952 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 2, 2021.
  235. "1953 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 8, 2009.
  236. "1954 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 9, 2010.
  237. "1955 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 21, 2010.
  238. "1956 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 6, 2010.
  239. "1957 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 22, 2021.
  240. "1958 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on May 27, 2020.
  241. "1959 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 19, 2009.
  242. "1960 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 21, 2020.
  243. "1961 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 31, 2009.
  244. "1962 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 4, 2010.
  245. "1963 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 31, 2010.
  246. "1964 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 18, 2020.
  247. "1965 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 3, 2021.
  248. "1966 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 21, 2020.
  249. "1967 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 13, 2021.
  250. "1968 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 21, 2009.
  251. "1969 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 1, 2010.
  252. "1970 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on May 27, 2020.
  253. "1971 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on August 6, 2009.
  254. "1972 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 26, 2010.
  255. "1974 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 8, 2017.
  256. "1975 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 22, 2010.
  257. "1976 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on April 17, 2009.
  258. "1977 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on November 19, 2009.
  259. "1978 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on April 19, 2009.
  260. "1979 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 24, 2010.
  261. "1980 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 8, 2010.
  262. "1981 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 26, 2010.
  263. "1982 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 27, 2010.
  264. "1983 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on February 25, 2010.
  265. "1984 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 6, 2010.
  266. "1985 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 6, 2010.
  267. "1986 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 17, 2009.
  268. "1987 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on December 17, 2009.
  269. "1988 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 6, 2010.
  270. "1989 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 25, 2010.
  271. "1990 American League Pitching Leaders". Baseball-Reference.com. Archived from the original on January 8, 2010.
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