Single-Season Leaders & Records for Win Probability Added (WPA)
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| Rank | Player (age that year) | Win Probability Added (WPA) | Year | IP | Throws |
|---|---|---|---|---|---|
| 1. | Lefty Grove+ (31) | 11.82 | 1931 | 288.2 | L |
| 2. | Carl Hubbell+ (30) | 10.67 | 1933 | 308.2 | L |
| 3. | Carl Hubbell+ (33) | 10.32 | 1936 | 304.0 | L |
| 4. | Dolf Luque (32) | 10.19 | 1923 | 322.0 | R |
| 5. | Dwight Gooden (20) | 9.93 | 1985 | 276.2 | R |
| 6. | Lefty Grove+ (30) | 9.82 | 1930 | 291.0 | L |
| 7. | Red Faber+ (32) | 8.84 | 1921 | 330.2 | R |
| 8. | Bob Feller+ (21) | 8.77 | 1940 | 320.1 | R |
| 9. | Wilcy Moore (30) | 8.67 | 1927 | 213.0 | R |
| 10. | Willie Hernández (29) | 8.65 | 1984 | 140.1 | L |
| 11. | Dean Chance (23) | 8.42 | 1964 | 278.1 | R |
| 12. | John Hiller (30) | 8.39 | 1973 | 125.1 | L |
| 13. | Sandy Koufax+ (29) | 8.34 | 1965 | 335.2 | L |
| 14. | Steve Carlton+ (27) | 8.31 | 1972 | 346.1 | L |
| 15. | Grover Alexander+ (28) | 8.18 | 1915 | 376.1 | R |
| 16. | Pedro Martinez+ (28) | 8.14 | 2000 | 217.0 | R |
| 17. | Greg Maddux+ (29) | 8.07 | 1995 | 209.2 | R |
| 18. | Bob Gibson+ (32) | 8.01 | 1968 | 304.2 | R |
| 19. | Sandy Koufax+ (30) | 7.98 | 1966 | 323.0 | L |
| 20. | Sandy Koufax+ (27) | 7.85 | 1963 | 311.0 | L |
| 21. | Doug Corbett (27) | 7.81 | 1980 | 136.1 | R |
| 22. | Lefty Grove+ (32) | 7.70 | 1932 | 291.2 | L |
| 23. | Bob Gibson+ (33) | 7.68 | 1969 | 314.0 | R |
| 24. | Juan Marichal+ (28) | 7.67 | 1966 | 307.1 | R |
| 25. | Dazzy Vance+ (33) | 7.59 | 1924 | 308.1 | R |
| 26. | Grover Alexander+ (29) | 7.58 | 1916 | 389.0 | R |
| 27. | Hal Newhouser+ (25) | 7.52 | 1946 | 292.2 | L |
| 28. | Stan Coveleski+ (27) | 7.43 | 1917 | 298.1 | R |
| 29. | Stu Miller (37) | 7.30 | 1965 | 119.1 | R |
| 30. | Warren Spahn+ (26) | 7.26 | 1947 | 289.2 | L |
| 31. | Denny McLain (25) | 7.22 | 1969 | 325.0 | R |
| 32. | Jim Bagby (27) | 7.18 | 1917 | 320.2 | R |
| 33. | Bob Feller+ (27) | 7.14 | 1946 | 371.1 | R |
| 34. | Roger Clemens (34) | 7.13 | 1997 | 264.0 | R |
| 35. | Ewell Blackwell (24) | 7.12 | 1947 | 273.0 | R |
| 36. | Gaylord Perry+ (33) | 7.06 | 1972 | 342.2 | R |
| 37. | Roger Clemens (27) | 7.05 | 1990 | 228.1 | R |
| 38. | Dan Quisenberry (27) | 7.01 | 1980 | 128.1 | R |
| 39. | Warren Spahn+ (32) | 7.00 | 1953 | 265.2 | L |
| 40. | Rich Gossage+ (23) | 6.98 | 1975 | 141.2 | R |
| 41. | George Uhle (27) | 6.94 | 1926 | 318.1 | R |
| 42. | Bob Lemon+ (28) | 6.93 | 1949 | 279.2 | R |
| 43. | Bobby Shantz (26) | 6.89 | 1952 | 279.2 | L |
| 44. | Pedro Martinez+ (27) | 6.86 | 1999 | 213.1 | R |
| 45. | Zack Greinke (31) | 6.84 | 2015 | 222.2 | R |
| 46. | Bill Lee (28) | 6.76 | 1938 | 291.0 | R |
| 47. | Orel Hershiser (29) | 6.75 | 1988 | 267.0 | R |
| 48. | Mike Norris (25) | 6.74 | 1980 | 284.1 | R |
| 49. | Dizzy Dean+ (24) | 6.71 | 1934 | 311.2 | R |
| 50. | Tom Seaver+ (24) | 6.69 | 1969 | 273.1 | R |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | IP | Throws |
| 51. | Lefty Grove+ (36) | 6.68 | 1936 | 253.1 | L |
| 52. | Bob Feller+ (22) | 6.65 | 1941 | 343.0 | R |
| Jim Palmer+ (29) | 6.65 | 1975 | 323.0 | R | |
| 54. | Vida Blue (21) | 6.60 | 1971 | 312.0 | L |
| 55. | Troy Percival (26) | 6.59 | 1996 | 74.0 | R |
| 56. | Robin Roberts+ (27) | 6.58 | 1954 | 336.2 | R |
| Warren Spahn+ (42) | 6.58 | 1963 | 259.2 | L | |
| 58. | Éric Gagné (27) | 6.57 | 2003 | 82.1 | R |
| Aurelio López (30) | 6.57 | 1979 | 127.0 | R | |
| 60. | Nolan Ryan+ (26) | 6.55 | 1973 | 326.0 | R |
| 61. | Dolf Luque (34) | 6.54 | 1925 | 291.0 | R |
| 62. | Tug McGraw (27) | 6.52 | 1972 | 106.0 | L |
| Herb Pennock+ (30) | 6.52 | 1924 | 286.1 | L | |
| Lefty Stewart (29) | 6.52 | 1930 | 271.0 | L | |
| 65. | Greg Maddux+ (28) | 6.51 | 1994 | 202.0 | R |
| 66. | Randy Johnson+ (31) | 6.47 | 1995 | 214.1 | L |
| 67. | Jerry Koosman (26) | 6.41 | 1969 | 241.0 | L |
| Jeff Pfeffer (26) | 6.41 | 1914 | 315.0 | R | |
| Luis Tiant (27) | 6.41 | 1968 | 258.1 | R | |
| 70. | Keith Foulke (27) | 6.40 | 2000 | 88.0 | R |
| 71. | Zack Britton (28) | 6.39 | 2016 | 67.0 | L |
| Tom Seaver+ (28) | 6.39 | 1973 | 290.0 | R | |
| 73. | Pedro Martinez+ (25) | 6.38 | 1997 | 241.1 | R |
| 74. | Lefty Grove+ (35) | 6.37 | 1935 | 273.0 | L |
| 75. | Juan Marichal+ (31) | 6.35 | 1969 | 299.2 | R |
| 76. | Lefty Grove+ (37) | 6.34 | 1937 | 262.0 | L |
| 77. | Blake Treinen (30) | 6.33 | 2018 | 80.1 | R |
| 78. | Larry Dierker (22) | 6.30 | 1969 | 305.1 | R |
| 79. | Johnny Antonelli (24) | 6.28 | 1954 | 258.2 | L |
| Howie Pollet (25) | 6.28 | 1946 | 266.0 | L | |
| 81. | Bucky Walters (35) | 6.27 | 1944 | 285.0 | R |
| 82. | Trevor Hoffman+ (30) | 6.26 | 1998 | 73.0 | R |
| Bucky Walters (30) | 6.26 | 1939 | 319.0 | R | |
| 84. | Randy Johnson+ (37) | 6.24 | 2001 | 249.2 | L |
| Greg Maddux+ (31) | 6.24 | 1997 | 232.2 | R | |
| 86. | Dick Radatz (26) | 6.23 | 1963 | 132.1 | R |
| 87. | Juan Marichal+ (27) | 6.20 | 1965 | 295.1 | R |
| 88. | Kevin Appier (25) | 6.19 | 1993 | 238.2 | R |
| 89. | Dazzy Vance+ (39) | 6.17 | 1930 | 258.2 | R |
| 90. | José Mesa (29) | 6.14 | 1995 | 64.0 | R |
| 91. | Mike Caldwell (29) | 6.13 | 1978 | 293.1 | L |
| John Tudor (31) | 6.13 | 1985 | 275.0 | L | |
| 93. | Jacob deGrom (30) | 6.12 | 2018 | 217.0 | R |
| 94. | Ray Narleski (26) | 6.11 | 1955 | 111.2 | R |
| 95. | Ray Starr (36) | 6.10 | 1942 | 276.2 | R |
| 96. | Roger Clemens (42) | 6.03 | 2005 | 211.1 | R |
| 97. | Randy Johnson+ (38) | 6.01 | 2002 | 260.0 | L |
| Tom Seaver+ (26) | 6.01 | 1971 | 286.1 | R | |
| 99. | Mort Cooper (29) | 5.99 | 1942 | 278.2 | R |
| 100. | Kevin Brown (31) | 5.98 | 1996 | 233.0 | R |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | IP | Throws |
| 101. | J.J. Putz (30) | 5.95 | 2007 | 71.2 | R |
| 102. | Red Ruffing+ (34) | 5.94 | 1939 | 233.1 | R |
| 103. | Dick Ellsworth (23) | 5.93 | 1963 | 290.2 | L |
| Carl Hubbell+ (31) | 5.93 | 1934 | 313.0 | L | |
| 105. | Cliff Lee (29) | 5.92 | 2008 | 223.1 | L |
| George Mogridge (32) | 5.92 | 1921 | 288.0 | L | |
| 107. | Lefty Grove+ (27) | 5.91 | 1927 | 262.1 | L |
| 108. | Virgil Trucks (32) | 5.90 | 1949 | 275.0 | R |
| 109. | Billy Wagner (27) | 5.89 | 1999 | 74.2 | L |
| 110. | Rich Gossage+ (25) | 5.87 | 1977 | 133.0 | R |
| Randy Johnson+ (36) | 5.87 | 2000 | 248.2 | L | |
| 112. | Urban Shocker (30) | 5.85 | 1921 | 326.2 | R |
| 113. | Luis Tiant (33) | 5.84 | 1974 | 311.1 | R |
| 114. | Zack Greinke (25) | 5.83 | 2009 | 229.1 | R |
| Jim Palmer+ (27) | 5.83 | 1973 | 296.1 | R | |
| 116. | Sam McDowell (22) | 5.82 | 1965 | 273.0 | L |
| 117. | Mel Harder (24) | 5.81 | 1934 | 255.1 | R |
| 118. | Roger Clemens (23) | 5.79 | 1986 | 254.0 | R |
| Mark Davis (28) | 5.79 | 1989 | 92.2 | L | |
| Randy Johnson+ (33) | 5.79 | 1997 | 213.0 | L | |
| Joe Nathan (29) | 5.79 | 2004 | 72.1 | R | |
| 122. | Jesse Haines+ (33) | 5.78 | 1927 | 300.2 | R |
| Curt Schilling (34) | 5.78 | 2001 | 256.2 | R | |
| 124. | Walter Johnson+ (31) | 5.77 | 1919 | 290.1 | R |
| 125. | Jake Arrieta (29) | 5.75 | 2015 | 229.0 | R |
| Tom Gordon (30) | 5.75 | 1998 | 79.1 | R | |
| 127. | Mel Parnell (27) | 5.74 | 1949 | 295.1 | L |
| 128. | Lindy McDaniel (34) | 5.73 | 1970 | 111.2 | R |
| Bret Saberhagen (25) | 5.73 | 1989 | 262.1 | R | |
| Mike Scott (31) | 5.73 | 1986 | 275.1 | R | |
| John Wetteland (26) | 5.73 | 1993 | 85.1 | R | |
| 132. | Éric Gagné (26) | 5.72 | 2002 | 82.1 | R |
| Randy Johnson+ (35) | 5.72 | 1999 | 271.2 | L | |
| 134. | Vida Blue (26) | 5.71 | 1976 | 298.1 | L |
| Brad Lidge (27) | 5.71 | 2004 | 94.2 | R | |
| Johan Santana (25) | 5.71 | 2004 | 228.0 | L | |
| 137. | Grover Alexander+ (33) | 5.70 | 1920 | 363.1 | R |
| Larry Benton (30) | 5.70 | 1928 | 310.1 | R | |
| Bill Caudill (25) | 5.70 | 1982 | 95.2 | R | |
| Lefty Gomez+ (25) | 5.70 | 1934 | 281.2 | L | |
| 141. | Red Faber+ (33) | 5.69 | 1922 | 352.0 | R |
| Sandy Koufax+ (28) | 5.69 | 1964 | 223.0 | L | |
| Kent Tekulve (32) | 5.69 | 1979 | 134.1 | R | |
| 144. | Lindy McDaniel (24) | 5.67 | 1960 | 116.1 | R |
| Bob Purkey (32) | 5.67 | 1962 | 288.1 | R | |
| Urban Shocker (29) | 5.67 | 1920 | 245.2 | R | |
| 147. | Kenley Jansen (29) | 5.65 | 2017 | 68.1 | R |
| Tom Seaver+ (30) | 5.65 | 1975 | 280.1 | R | |
| 149. | Tug McGraw (24) | 5.63 | 1969 | 100.1 | L |
| 150. | Greg Maddux+ (27) | 5.62 | 1993 | 267.0 | R |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | IP | Throws |
| Justin Verlander (36) | 5.62 | 2019 | 223.0 | R | |
| 152. | Will Smith (29) | 5.61 | 2019 | 65.1 | L |
| 153. | Steve Carlton+ (35) | 5.60 | 1980 | 304.0 | L |
| Chris Carpenter (34) | 5.60 | 2009 | 192.2 | R | |
| Lefty Grove+ (28) | 5.60 | 1928 | 261.2 | L | |
| 156. | Ellis Kinder (34) | 5.57 | 1949 | 252.0 | R |
| 157. | Spud Chandler (35) | 5.55 | 1943 | 253.0 | R |
| Danny MacFayden (31) | 5.55 | 1936 | 266.2 | R | |
| Jeff Montgomery (31) | 5.55 | 1993 | 87.1 | R | |
| 160. | Jim Bunning+ (34) | 5.54 | 1966 | 314.0 | R |
| 161. | Lefty Grove+ (33) | 5.53 | 1933 | 275.1 | L |
| Mark Melancon (30) | 5.53 | 2015 | 76.2 | R | |
| 163. | Juan Marichal+ (25) | 5.52 | 1963 | 321.1 | R |
| Rick Reuschel (28) | 5.52 | 1977 | 252.0 | R | |
| 165. | Rod Beck (24) | 5.51 | 1993 | 79.1 | R |
| 166. | Ray Kremer (31) | 5.50 | 1926 | 231.1 | R |
| 167. | Billy Pierce (26) | 5.49 | 1953 | 271.1 | L |
| 168. | Stan Coveleski+ (35) | 5.48 | 1925 | 241.0 | R |
| Trevor Hoffman+ (28) | 5.48 | 1996 | 88.0 | R | |
| Frank Tanana (22) | 5.48 | 1976 | 288.1 | L | |
| Lon Warneke (23) | 5.48 | 1932 | 277.0 | R | |
| Roger Wolff (34) | 5.48 | 1945 | 250.0 | R | |
| 173. | Sandy Alcántara (26) | 5.47 | 2022 | 228.2 | R |
| Fergie Jenkins+ (31) | 5.47 | 1974 | 328.1 | R | |
| 175. | Garland Braxton (27) | 5.46 | 1927 | 155.1 | L |
| 176. | Jim O'Toole (27) | 5.45 | 1964 | 220.0 | L |
| Dazzy Vance+ (37) | 5.45 | 1928 | 280.1 | R | |
| 178. | Stan Coveleski+ (30) | 5.44 | 1920 | 315.0 | R |
| Lefty Grove+ (29) | 5.44 | 1929 | 275.1 | L | |
| 180. | Paul Dean (22) | 5.43 | 1935 | 269.2 | R |
| Éric Gagné (28) | 5.43 | 2004 | 82.1 | R | |
| Sal Maglie (34) | 5.43 | 1951 | 298.0 | R | |
| Mariano Rivera+ (26) | 5.43 | 1996 | 107.2 | R | |
| Robin Roberts+ (23) | 5.43 | 1950 | 304.1 | R | |
| 185. | Billy Pierce (28) | 5.40 | 1955 | 205.2 | L |
| 186. | Randy Myers (34) | 5.39 | 1997 | 59.2 | L |
| Howie Pollet (28) | 5.39 | 1949 | 230.2 | L | |
| 188. | Rafael Betancourt (32) | 5.38 | 2007 | 79.1 | R |
| Tom Burgmeier (36) | 5.38 | 1980 | 99.0 | L | |
| Dutch Ruether (25) | 5.38 | 1919 | 242.2 | L | |
| Jim Scott (27) | 5.38 | 1915 | 296.1 | R | |
| 192. | Mudcat Grant (34) | 5.37 | 1970 | 135.1 | R |
| Jim Konstanty (33) | 5.37 | 1950 | 152.0 | R | |
| Francisco Rodríguez (24) | 5.37 | 2006 | 73.0 | R | |
| 195. | Sheriff Blake (28) | 5.36 | 1928 | 240.2 | R |
| 196. | Mike Garcia (30) | 5.35 | 1954 | 258.2 | R |
| 197. | Herb Score (23) | 5.32 | 1956 | 249.1 | L |
| 198. | Lefty Gomez+ (28) | 5.29 | 1937 | 278.1 | L |
| Brad Lidge (31) | 5.29 | 2008 | 69.1 | R | |
| 200. | Thornton Lee (34) | 5.28 | 1941 | 300.1 | L |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | IP | Throws |
| 201. | Clayton Kershaw (26) | 5.27 | 2014 | 198.1 | L |
| Esteban Loaiza (31) | 5.27 | 2003 | 226.1 | R | |
| Ted Lyons+ (26) | 5.27 | 1927 | 307.2 | R | |
| Jonathan Papelbon (25) | 5.27 | 2006 | 68.1 | R | |
| 205. | Jim Johnson (29) | 5.26 | 2012 | 68.2 | R |
| 206. | Harry Brecheen (33) | 5.25 | 1948 | 233.1 | L |
| Teddy Higuera (30) | 5.25 | 1988 | 227.1 | L | |
| Joe Niekro (37) | 5.25 | 1982 | 270.0 | R | |
| Dontrelle Willis (23) | 5.25 | 2005 | 236.1 | L | |
| 210. | Tyler Clippard (26) | 5.24 | 2011 | 88.1 | R |
| Bill James (22) | 5.24 | 1914 | 332.1 | R | |
| Denny McLain (24) | 5.24 | 1968 | 336.0 | R | |
| Jim Palmer+ (31) | 5.24 | 1977 | 319.0 | R | |
| 214. | Kevin Brown (35) | 5.23 | 2000 | 230.0 | R |
| Greg Minton (30) | 5.23 | 1982 | 123.0 | R | |
| Eppa Rixey+ (32) | 5.23 | 1923 | 309.0 | L | |
| 217. | Mort Cooper (30) | 5.22 | 1943 | 274.0 | R |
| Lou Fette (30) | 5.22 | 1937 | 259.0 | R | |
| Chris Short (27) | 5.22 | 1965 | 297.1 | L | |
| Dazzy Vance+ (34) | 5.22 | 1925 | 265.1 | R | |
| Frank Viola (28) | 5.22 | 1988 | 255.1 | L | |
| 222. | Bob Gibson+ (36) | 5.20 | 1972 | 278.0 | R |
| 223. | Andrew Miller (31) | 5.19 | 2016 | 74.1 | L |
| 224. | Ron Guidry (27) | 5.18 | 1978 | 273.2 | L |
| 225. | Johnny Allen (31) | 5.17 | 1936 | 243.0 | R |
| Roger Clemens (24) | 5.17 | 1987 | 281.2 | R | |
| 227. | Bob Bowman (28) | 5.16 | 1939 | 169.1 | R |
| Wes Ferrell (27) | 5.16 | 1935 | 322.1 | R | |
| Greg Maddux+ (26) | 5.16 | 1992 | 268.0 | R | |
| Jim Turner (33) | 5.16 | 1937 | 256.2 | R | |
| 231. | Greg Maddux+ (32) | 5.15 | 1998 | 251.0 | R |
| Fernando Rodney (35) | 5.15 | 2012 | 74.2 | R | |
| Urban Shocker (31) | 5.15 | 1922 | 348.0 | R | |
| Justin Verlander (35) | 5.15 | 2018 | 214.0 | R | |
| 235. | Whitey Glazner (27) | 5.14 | 1921 | 234.0 | R |
| Charlie Root (30) | 5.14 | 1929 | 272.0 | R | |
| Jered Weaver (28) | 5.14 | 2011 | 235.2 | R | |
| 238. | Lefty Grove+ (39) | 5.13 | 1939 | 191.0 | L |
| Bruce Sutter+ (24) | 5.13 | 1977 | 107.1 | R | |
| Early Wynn+ (36) | 5.13 | 1956 | 277.2 | R | |
| 241. | Dennis Eckersley+ (35) | 5.12 | 1990 | 73.1 | R |
| Roy Halladay+ (33) | 5.12 | 2010 | 250.2 | R | |
| Ted Lyons+ (24) | 5.12 | 1925 | 262.2 | R | |
| Pedro Martinez+ (31) | 5.12 | 2003 | 186.2 | R | |
| 245. | Lefty Grove+ (26) | 5.11 | 1926 | 258.0 | L |
| Joe Nathan (31) | 5.11 | 2006 | 68.1 | R | |
| Andy Pettitte (33) | 5.11 | 2005 | 222.1 | L | |
| 248. | Paul Derringer (32) | 5.10 | 1939 | 301.0 | R |
| Clayton Kershaw (27) | 5.10 | 2015 | 232.2 | L | |
| Schoolboy Rowe (24) | 5.10 | 1934 | 266.0 | R | |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | IP | Throws |
| 251. | Aaron Nola (25) | 5.09 | 2018 | 212.1 | R |
| 252. | Johnny Cueto (28) | 5.08 | 2014 | 243.2 | R |
| Eddie Fisher (28) | 5.08 | 1965 | 165.1 | R | |
| Jesse Haines+ (34) | 5.08 | 1928 | 240.1 | R | |
| John Smoltz+ (37) | 5.08 | 2004 | 81.2 | R | |
| 256. | Kevin Brown (33) | 5.07 | 1998 | 257.0 | R |
| Roberto Hernández (31) | 5.07 | 1996 | 84.2 | R | |
| Tom Seaver+ (23) | 5.07 | 1968 | 278.0 | R | |
| 259. | Mariano Rivera+ (34) | 5.05 | 2004 | 78.2 | R |
| Blake Snell (25) | 5.05 | 2018 | 180.2 | L | |
| 261. | Jon Lester (32) | 5.04 | 2016 | 202.2 | L |
| Tim Lincecum (24) | 5.04 | 2008 | 227.0 | R | |
| John Smoltz+ (35) | 5.04 | 2002 | 80.1 | R | |
| 264. | Tiny Bonham (28) | 5.02 | 1942 | 226.0 | R |
| 265. | Lew Burdette (26) | 5.01 | 1953 | 175.0 | R |
| Tim Burke (28) | 5.01 | 1987 | 91.0 | R | |
| Carl Mays (29) | 5.01 | 1921 | 336.2 | R | |
| Cliff Melton (25) | 5.01 | 1937 | 248.0 | L | |
| Bret Saberhagen (21) | 5.01 | 1985 | 235.1 | R | |
| Max Scherzer (33) | 5.01 | 2018 | 220.2 | R | |
| 271. | Don Drysdale+ (23) | 4.99 | 1960 | 269.0 | R |
| Whitey Ford+ (35) | 4.99 | 1964 | 244.2 | L | |
| Rich Gossage+ (30) | 4.99 | 1982 | 93.0 | R | |
| Red Lucas (25) | 4.99 | 1927 | 239.2 | R | |
| Bob Shawkey (28) | 4.99 | 1919 | 261.1 | R | |
| 276. | Wilbur Wood (29) | 4.98 | 1971 | 334.0 | L |
| 277. | Mark Eichhorn (25) | 4.97 | 1986 | 157.0 | R |
| Justin Verlander (28) | 4.97 | 2011 | 251.0 | R | |
| 279. | Rich Gossage+ (28) | 4.96 | 1980 | 99.0 | R |
| Walter Johnson+ (34) | 4.96 | 1922 | 280.0 | R | |
| Bill Lee (26) | 4.96 | 1973 | 284.2 | L | |
| Pedro Martinez+ (26) | 4.96 | 1998 | 233.2 | R | |
| Johnny Sain (30) | 4.96 | 1948 | 314.2 | R | |
| Bob Shawkey (29) | 4.96 | 1920 | 267.2 | R | |
| 285. | Clayton Kershaw (25) | 4.95 | 2013 | 236.0 | L |
| Jonathan Papelbon (28) | 4.95 | 2009 | 68.0 | R | |
| Curt Schilling (30) | 4.95 | 1997 | 254.1 | R | |
| 288. | Bill Campbell (28) | 4.94 | 1977 | 140.0 | R |
| Wes Ferrell (24) | 4.94 | 1932 | 287.2 | R | |
| Charles Nagy (29) | 4.94 | 1996 | 222.0 | R | |
| 291. | Grover Alexander+ (35) | 4.93 | 1922 | 245.2 | R |
| 292. | Tanner Scott (28) | 4.92 | 2023 | 78.0 | L |
| Early Wynn+ (34) | 4.92 | 1954 | 270.2 | R | |
| 294. | Robin Roberts+ (26) | 4.90 | 1953 | 346.2 | R |
| 295. | Whitey Ford+ (27) | 4.89 | 1956 | 225.2 | L |
| Vic Raschi (31) | 4.89 | 1950 | 256.2 | R | |
| 297. | Heath Bell (32) | 4.88 | 2010 | 70.0 | R |
| Red Ruffing+ (31) | 4.88 | 1936 | 271.0 | R | |
| 299. | Derek Lowe (27) | 4.87 | 2000 | 91.1 | R |
| Pat Malone (27) | 4.87 | 1930 | 271.2 | R | |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | IP | Throws |
| Jason Schmidt (30) | 4.87 | 2003 | 207.2 | R | |
| 302. | Guy Bush (27) | 4.86 | 1929 | 270.2 | R |
| Johnny Cueto (30) | 4.86 | 2016 | 219.2 | R | |
| Doug Jones (31) | 4.86 | 1988 | 83.1 | R | |
| Stu Miller (38) | 4.86 | 1966 | 92.0 | R | |
| 306. | Alex Fernandez (26) | 4.85 | 1996 | 258.0 | R |
| Félix Hernández (24) | 4.85 | 2010 | 249.2 | R | |
| José Rijo (28) | 4.85 | 1993 | 257.1 | R | |
| Bob Shawkey (25) | 4.85 | 1916 | 276.2 | R | |
| 310. | Bullet Joe Bush (29) | 4.84 | 1922 | 255.1 | R |
| Jeremy Jeffress (30) | 4.84 | 2018 | 76.2 | R | |
| Bobo Newsom (32) | 4.84 | 1940 | 264.0 | R | |
| Herb Pennock+ (34) | 4.84 | 1928 | 211.0 | L | |
| Bill Sherdel (31) | 4.84 | 1928 | 248.2 | L | |
| 315. | Dizzy Dean+ (26) | 4.83 | 1936 | 315.0 | R |
| Corey Kluber (31) | 4.83 | 2017 | 203.2 | R | |
| Art Nehf (35) | 4.83 | 1928 | 176.2 | L | |
| Steve Rogers (32) | 4.83 | 1982 | 277.0 | R | |
| Don Sutton+ (28) | 4.83 | 1973 | 256.1 | R | |
| 320. | Walter Johnson+ (36) | 4.82 | 1924 | 277.2 | R |
| Clayton Kershaw (28) | 4.82 | 2016 | 149.0 | L | |
| Whit Wyatt (33) | 4.82 | 1941 | 288.1 | R | |
| 323. | Pat Hentgen (27) | 4.81 | 1996 | 265.2 | R |
| Tom Seaver+ (32) | 4.81 | 1977 | 261.1 | R | |
| 325. | Babe Adams (37) | 4.80 | 1919 | 263.1 | R |
| Bob Feller+ (28) | 4.80 | 1947 | 299.0 | R | |
| Dizzy Trout (31) | 4.80 | 1946 | 276.1 | R | |
| Frank Viola (27) | 4.80 | 1987 | 251.2 | L | |
| 329. | Frank Tanana (21) | 4.79 | 1975 | 257.1 | L |
| 330. | Josh Hader (27) | 4.78 | 2021 | 58.2 | L |
| Bob Lee (27) | 4.78 | 1965 | 131.1 | R | |
| Bob Lemon+ (31) | 4.78 | 1952 | 309.2 | R | |
| 333. | Eddie Cicotte (35) | 4.77 | 1919 | 306.2 | R |
| Edwin Díaz (24) | 4.77 | 2018 | 73.1 | R | |
| 335. | Kevin Appier (24) | 4.76 | 1992 | 208.1 | R |
| Mike Hampton (26) | 4.76 | 1999 | 239.0 | L | |
| Jay Howell (33) | 4.76 | 1989 | 79.2 | R | |
| 338. | Clay Carroll (31) | 4.75 | 1972 | 96.0 | R |
| Tim Lincecum (25) | 4.75 | 2009 | 225.1 | R | |
| Don Sutton+ (27) | 4.75 | 1972 | 272.2 | R | |
| 341. | Tommy Bridges (29) | 4.74 | 1936 | 294.2 | R |
| Dennis Eckersley+ (24) | 4.74 | 1979 | 246.2 | R | |
| 343. | Greg Holland (27) | 4.73 | 2013 | 67.0 | R |
| B.J. Ryan (30) | 4.73 | 2006 | 72.1 | L | |
| CC Sabathia (27) | 4.73 | 2008 | 253.0 | L | |
| 346. | Gerrit Cole (28) | 4.72 | 2019 | 212.1 | R |
| 347. | Wilbur Cooper (28) | 4.71 | 1920 | 327.0 | L |
| 348. | Jim Kern (30) | 4.70 | 1979 | 143.0 | R |
| Eppa Rixey+ (31) | 4.70 | 1922 | 313.1 | L | |
| 350. | Hank Aguirre (31) | 4.69 | 1962 | 216.0 | L |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | IP | Throws |
| Grover Alexander+ (40) | 4.69 | 1927 | 268.0 | R | |
| Gerrit Cole (32) | 4.69 | 2023 | 209.0 | R | |
| Fritz Dorish (30) | 4.69 | 1952 | 91.0 | R | |
| Walter Johnson+ (37) | 4.69 | 1925 | 229.0 | R | |
| Allie Reynolds (35) | 4.69 | 1952 | 244.1 | R | |
| Jonny Venters (26) | 4.69 | 2011 | 88.0 | L | |
| 357. | John Candelaria (23) | 4.68 | 1977 | 230.2 | L |
| Roger Clemens (29) | 4.68 | 1992 | 246.2 | R | |
| Mel Harder (25) | 4.68 | 1935 | 287.1 | R | |
| Ted Lyons+ (29) | 4.68 | 1930 | 297.2 | R | |
| Jim Palmer+ (30) | 4.68 | 1976 | 315.0 | R | |
| Eddie Rommel (30) | 4.68 | 1928 | 173.2 | R | |
| 363. | Tommy John (36) | 4.67 | 1979 | 276.1 | L |
| Herb Pennock+ (29) | 4.67 | 1923 | 238.1 | L | |
| Robin Roberts+ (25) | 4.67 | 1952 | 330.0 | R | |
| 366. | Ted Abernathy (34) | 4.66 | 1967 | 106.1 | R |
| 367. | Carl Hubbell+ (32) | 4.65 | 1935 | 302.2 | L |
| Sal Maglie (33) | 4.65 | 1950 | 206.0 | R | |
| 369. | Gary Peters (26) | 4.64 | 1963 | 243.0 | L |
| Ken Tatum (25) | 4.64 | 1969 | 86.1 | R | |
| 371. | Mort Cooper (31) | 4.63 | 1944 | 252.1 | R |
| Roy Halladay+ (28) | 4.63 | 2005 | 141.2 | R | |
| Dan Quisenberry (31) | 4.63 | 1984 | 129.1 | R | |
| Mariano Rivera+ (28) | 4.63 | 1998 | 61.1 | R | |
| Bucky Walters (31) | 4.63 | 1940 | 305.0 | R | |
| 376. | Jhoan Durán (24) | 4.62 | 2022 | 67.2 | R |
| Bob Feller+ (20) | 4.62 | 1939 | 296.2 | R | |
| Billy Koch (27) | 4.62 | 2002 | 93.2 | R | |
| Mike Mussina+ (23) | 4.62 | 1992 | 241.0 | R | |
| Ray Narleski (28) | 4.62 | 1957 | 154.1 | R | |
| 381. | Ken Heintzelman (33) | 4.61 | 1949 | 250.0 | L |
| Gaylord Perry+ (25) | 4.61 | 1964 | 206.1 | R | |
| Curt Schilling (37) | 4.61 | 2004 | 226.2 | R | |
| 384. | Al Hrabosky (25) | 4.60 | 1975 | 97.1 | L |
| 385. | Jim Bouton (24) | 4.59 | 1963 | 249.1 | R |
| Joe Coleman (24) | 4.59 | 1971 | 286.0 | R | |
| Dennis Eckersley+ (37) | 4.59 | 1992 | 80.0 | R | |
| Juan Guzmán (25) | 4.59 | 1992 | 180.2 | R | |
| Jim Maloney (25) | 4.59 | 1965 | 255.1 | R | |
| 390. | Gene Bearden (27) | 4.58 | 1948 | 229.2 | L |
| Chris Carpenter (30) | 4.58 | 2005 | 241.2 | R | |
| Keith Foulke (30) | 4.58 | 2003 | 86.2 | R | |
| Max Scherzer (32) | 4.58 | 2017 | 200.2 | R | |
| 394. | Al Benton (38) | 4.57 | 1949 | 135.2 | R |
| Socks Seibold (34) | 4.57 | 1930 | 251.0 | R | |
| 396. | Jacob deGrom (31) | 4.56 | 2019 | 204.0 | R |
| Lerrin LaGrow (28) | 4.56 | 1977 | 98.2 | R | |
| 398. | Paul Derringer (33) | 4.55 | 1940 | 296.2 | R |
| Bob Gibson+ (34) | 4.55 | 1970 | 294.0 | R | |
| Joe Horlen (29) | 4.55 | 1967 | 258.0 | R | |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | IP | Throws |
| Bill Lee (26) | 4.55 | 1936 | 258.2 | R | |
| Hyun Jin Ryu (32) | 4.55 | 2019 | 182.2 | L | |
| Joakim Soria (26) | 4.55 | 2010 | 65.2 | R | |
| 404. | Burleigh Grimes+ (27) | 4.54 | 1921 | 302.1 | R |
| Firpo Marberry (25) | 4.54 | 1924 | 195.1 | R | |
| 406. | Félix Bautista (28) | 4.53 | 2023 | 61.0 | R |
| Armando Benítez (29) | 4.53 | 2002 | 67.1 | R | |
| Ted Lyons+ (34) | 4.53 | 1935 | 190.2 | R | |
| 409. | Larry French (27) | 4.52 | 1935 | 246.1 | L |
| Bob Gibson+ (30) | 4.52 | 1966 | 280.1 | R | |
| Danny Graves (26) | 4.52 | 2000 | 91.1 | R | |
| 412. | Wes Ferrell (28) | 4.51 | 1936 | 301.0 | R |
| Tom Gordon (36) | 4.51 | 2004 | 89.2 | R | |
| Curt Schilling (35) | 4.51 | 2002 | 259.1 | R | |
| Tommy Thomas (27) | 4.51 | 1927 | 307.2 | R | |
| 416. | Teddy Higuera (28) | 4.50 | 1986 | 248.1 | L |
| Catfish Hunter+ (29) | 4.50 | 1975 | 328.0 | R | |
| Mariano Rivera+ (38) | 4.50 | 2008 | 70.2 | R | |
| 419. | Dutch Leonard (30) | 4.49 | 1939 | 269.1 | R |
| 420. | Bert Blyleven+ (38) | 4.48 | 1989 | 241.0 | R |
| Mel Harder (23) | 4.48 | 1933 | 253.0 | R | |
| Jeff Pfeffer (28) | 4.48 | 1916 | 328.2 | R | |
| Jeff Shaw (30) | 4.48 | 1997 | 94.2 | R | |
| 424. | Dizzy Dean+ (25) | 4.47 | 1935 | 325.1 | R |
| Brendan Donnelly (31) | 4.47 | 2003 | 74.0 | R | |
| Jeff Pfeffer (27) | 4.47 | 1915 | 291.2 | R | |
| Mark Prior (22) | 4.47 | 2003 | 211.1 | R | |
| 428. | Tommy Bridges (27) | 4.46 | 1934 | 275.0 | R |
| Craig Kimbrel (29) | 4.46 | 2017 | 69.0 | R | |
| Al Mamaux (21) | 4.46 | 1915 | 251.2 | R | |
| Mike Mussina+ (26) | 4.46 | 1995 | 221.2 | R | |
| Gary Nolan (19) | 4.46 | 1967 | 226.2 | R | |
| 433. | Jim Bagby (30) | 4.45 | 1920 | 339.2 | R |
| John Montefusco (25) | 4.45 | 1975 | 243.2 | R | |
| Mike Mussina+ (25) | 4.45 | 1994 | 176.1 | R | |
| Roger Nelson (28) | 4.45 | 1972 | 173.1 | R | |
| 437. | Bump Hadley (25) | 4.44 | 1930 | 260.1 | R |
| Red Ruffing+ (33) | 4.44 | 1938 | 247.1 | R | |
| Warren Spahn+ (30) | 4.44 | 1951 | 310.2 | L | |
| 440. | Don Drysdale+ (27) | 4.43 | 1964 | 321.1 | R |
| Roy Halladay+ (31) | 4.43 | 2008 | 246.0 | R | |
| Tom Hughes (31) | 4.43 | 1915 | 280.1 | R | |
| Fergie Jenkins+ (26) | 4.43 | 1969 | 311.1 | R | |
| John Smoltz+ (29) | 4.43 | 1996 | 253.2 | R | |
| 445. | Johnny Allen (32) | 4.42 | 1937 | 173.0 | R |
| Kevin Appier (28) | 4.42 | 1996 | 211.1 | R | |
| Dellin Betances (26) | 4.42 | 2014 | 90.0 | R | |
| Roger Clemens (35) | 4.42 | 1998 | 234.2 | R | |
| Francisco Cordero (29) | 4.42 | 2004 | 71.2 | R | |
| Firpo Marberry (30) | 4.42 | 1929 | 250.1 | R | |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | IP | Throws |
| J.C. Romero (26) | 4.42 | 2002 | 81.0 | L | |
| 452. | Kevin Millwood (24) | 4.41 | 1999 | 228.0 | R |
| Billy Pierce (24) | 4.41 | 1951 | 240.1 | L | |
| Dave Stewart (33) | 4.41 | 1990 | 267.0 | R | |
| Monty Stratton (25) | 4.41 | 1937 | 164.2 | R | |
| Bruce Sutter+ (31) | 4.41 | 1984 | 122.2 | R | |
| Ted Wilks (28) | 4.41 | 1944 | 207.2 | R | |
| 458. | Armando Benítez (31) | 4.40 | 2004 | 69.2 | R |
| Chuck Finley (27) | 4.40 | 1990 | 236.0 | L | |
| Mike Flanagan (27) | 4.40 | 1979 | 265.2 | L | |
| Troy Percival (32) | 4.40 | 2002 | 56.1 | R | |
| Lon Warneke (25) | 4.40 | 1934 | 291.1 | R | |
| 463. | Sparky Lyle (27) | 4.39 | 1972 | 107.2 | L |
| Dan Quisenberry (30) | 4.39 | 1983 | 139.0 | R | |
| 465. | Pete Donohue (21) | 4.38 | 1922 | 242.0 | R |
| Mike Garcia (25) | 4.38 | 1949 | 175.2 | R | |
| Roy Halladay+ (26) | 4.38 | 2003 | 266.0 | R | |
| Robin Roberts+ (24) | 4.38 | 1951 | 315.0 | R | |
| Johan Santana (26) | 4.38 | 2005 | 231.2 | L | |
| Tony Watson (30) | 4.38 | 2015 | 75.1 | L | |
| 471. | Steve Carlton+ (24) | 4.37 | 1969 | 236.1 | L |
| Wilbur Cooper (25) | 4.37 | 1917 | 297.2 | L | |
| Félix Hernández (26) | 4.37 | 2012 | 232.0 | R | |
| Greg Maddux+ (34) | 4.37 | 2000 | 249.1 | R | |
| 475. | Mark Fidrych (21) | 4.36 | 1976 | 250.1 | R |
| Tim Hudson (27) | 4.36 | 2003 | 240.0 | R | |
| Craig Kimbrel (24) | 4.36 | 2012 | 62.2 | R | |
| Hippo Vaughn (31) | 4.36 | 1919 | 306.2 | L | |
| 479. | Waite Hoyt+ (28) | 4.35 | 1928 | 273.0 | R |
| Don Stanhouse (28) | 4.35 | 1979 | 72.2 | R | |
| Justin Verlander (26) | 4.35 | 2009 | 240.0 | R | |
| 482. | Al Leiter (32) | 4.34 | 1998 | 193.0 | L |
| Adam Wainwright (32) | 4.34 | 2014 | 227.0 | R | |
| 484. | Grover Alexander+ (30) | 4.33 | 1917 | 388.0 | R |
| Daniel Bard (37) | 4.33 | 2022 | 60.1 | R | |
| Steve Carlton+ (37) | 4.33 | 1982 | 295.2 | L | |
| Wade Davis (29) | 4.33 | 2015 | 67.1 | R | |
| Johnny Podres (24) | 4.33 | 1957 | 196.0 | L | |
| Don Sutton+ (35) | 4.33 | 1980 | 212.1 | R | |
| 490. | Roger Clemens (25) | 4.32 | 1988 | 264.0 | R |
| Mike Cuellar (32) | 4.32 | 1969 | 290.2 | L | |
| Max Fried (28) | 4.32 | 2022 | 185.1 | L | |
| Doug Jones (35) | 4.32 | 1992 | 111.2 | R | |
| 494. | Harry Brecheen (30) | 4.31 | 1945 | 157.1 | L |
| Roberto Hernández (26) | 4.31 | 2007 | 215.0 | R | |
| Tex Hughson (26) | 4.31 | 1942 | 281.0 | R | |
| Sad Sam Jones (28) | 4.31 | 1921 | 298.2 | R | |
| 498. | Ron Guidry (28) | 4.30 | 1979 | 236.1 | L |
| Roberto Hernández (34) | 4.30 | 1999 | 73.1 | R | |
| Teddy Higuera (29) | 4.30 | 1987 | 261.2 | L | |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | IP | Throws |
| Tex Hughson (30) | 4.30 | 1946 | 278.0 | R | |
| Corey Knebel (25) | 4.30 | 2017 | 76.0 | R | |
| Ted Lyons+ (25) | 4.30 | 1926 | 283.2 | R | |
| Troy Percival (31) | 4.30 | 2001 | 57.2 | R | |
| Ron Perranoski (27) | 4.30 | 1963 | 129.0 | L |
