+ - Indicates Hall of Famer. Bold indicates active player.
Statistic Description: Win Probability Added by Pitcher Given average teams, this is the change in probability A change of +/- 1 would indicate one win added or lost.
Only players who finished in the top 40 for the majors in a season will appear on this list.
Leaders from the current season are only included for rate stats after July 1st.
This statistic is computed from play-by-play data which is only complete from 1974 to the present. From 1948-1973, the data is incomplete, though for most seasons only less than 20 games per season total are missing. Please see our page on data coverage for a full view of the data used to create these lists.
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | Throws |
|---|---|---|---|---|
| 1. | Dwight Gooden (20) | 9.93 | 1985 | R |
| 2. | Willie Hernandez (29) | 8.70 | 1984 | L |
| 3. | Dean Chance (23) | 8.41 | 1964 | R |
| John Hiller (30) | 8.41 | 1973 | L | |
| 5. | Sandy Koufax+ (29) | 8.39 | 1965 | L |
| 6. | Steve Carlton+ (27) | 8.32 | 1972 | L |
| 7. | Pedro Martinez (28) | 8.20 | 2000 | R |
| 8. | Greg Maddux (29) | 8.11 | 1995 | R |
| 9. | Bob Gibson+ (32) | 8.01 | 1968 | R |
| 10. | Sandy Koufax+ (30) | 7.98 | 1966 | L |
| 11. | Sandy Koufax+ (27) | 7.91 | 1963 | L |
| 12. | Doug Corbett (27) | 7.85 | 1980 | R |
| 13. | Bob Gibson+ (33) | 7.68 | 1969 | R |
| 14. | Juan Marichal+ (28) | 7.67 | 1966 | R |
| 15. | Stu Miller (37) | 7.30 | 1965 | R |
| 16. | Denny McLain (25) | 7.22 | 1969 | R |
| 17. | Roger Clemens (34) | 7.13 | 1997 | R |
| 18. | Roger Clemens (27) | 7.12 | 1990 | R |
| 19. | Gaylord Perry+ (33) | 7.06 | 1972 | R |
| 20. | Dan Quisenberry (27) | 7.03 | 1980 | R |
| 21. | Rich Gossage+ (23) | 6.98 | 1975 | R |
| 22. | Bob Lemon+ (28) | 6.94 | 1949 | R |
| 23. | Pedro Martinez (27) | 6.87 | 1999 | R |
| 24. | Mike Norris (25) | 6.80 | 1980 | R |
| 25. | Orel Hershiser (29) | 6.75 | 1988 | R |
| 26. | Tom Seaver+ (24) | 6.69 | 1969 | R |
| 27. | Bobby Shantz (26) | 6.66 | 1952 | L |
| 28. | Jim Palmer+ (29) | 6.65 | 1975 | R |
| 29. | Nolan Ryan+ (26) | 6.64 | 1973 | R |
| 30. | Vida Blue (21) | 6.62 | 1971 | L |
| 31. | Warren Spahn+ (32) | 6.61 | 1953 | L |
| 32. | Troy Percival (26) | 6.59 | 1996 | R |
| 33. | Warren Spahn+ (42) | 6.58 | 1963 | L |
| 34. | Eric Gagne (27) | 6.56 | 2003 | R |
| 35. | Tug McGraw (27) | 6.52 | 1972 | L |
| 36. | Aurelio Lopez (30) | 6.50 | 1979 | R |
| Greg Maddux (28) | 6.50 | 1994 | R | |
| 38. | Randy Johnson (31) | 6.46 | 1995 | L |
| 39. | Luis Tiant (27) | 6.45 | 1968 | R |
| 40. | Keith Foulke (27) | 6.42 | 2000 | R |
| 41. | Jerry Koosman (26) | 6.41 | 1969 | L |
| 42. | Tom Seaver+ (28) | 6.40 | 1973 | R |
| 43. | Pedro Martinez (25) | 6.38 | 1997 | R |
| 44. | Juan Marichal+ (31) | 6.35 | 1969 | R |
| 45. | Larry Dierker (22) | 6.30 | 1969 | R |
| 46. | Johnny Antonelli (24) | 6.28 | 1954 | L |
| Juan Marichal+ (27) | 6.28 | 1965 | R | |
| 48. | Trevor Hoffman (30) | 6.26 | 1998 | R |
| 49. | Randy Johnson (37) | 6.25 | 2001 | L |
| 50. | Greg Maddux (31) | 6.24 | 1997 | R |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | Throws |
| Dick Radatz (26) | 6.24 | 1963 | R | |
| 52. | Kevin Appier (25) | 6.19 | 1993 | R |
| 53. | Mike Caldwell (29) | 6.14 | 1978 | L |
| Jose Mesa (29) | 6.14 | 1995 | R | |
| John Tudor (31) | 6.14 | 1985 | L | |
| 56. | Ray Narleski (26) | 6.12 | 1955 | R |
| 57. | Robin Roberts+ (27) | 6.11 | 1954 | R |
| 58. | Roger Clemens (42) | 6.04 | 2005 | R |
| 59. | Tom Seaver+ (26) | 6.03 | 1971 | R |
| 60. | Randy Johnson (38) | 6.02 | 2002 | L |
| 61. | Kevin Brown (31) | 6.00 | 1996 | R |
| 62. | Billy Pierce (28) | 5.96 | 1955 | L |
| 63. | J.J. Putz (30) | 5.95 | 2007 | R |
| 64. | Randy Johnson (36) | 5.94 | 2000 | L |
| Cliff Lee (29) | 5.94 | 2008 | L | |
| Billy Wagner (27) | 5.94 | 1999 | L | |
| 67. | Dick Ellsworth (23) | 5.93 | 1963 | L |
| 68. | Rich Gossage+ (25) | 5.90 | 1977 | R |
| 69. | Ellis Kinder (34) | 5.87 | 1949 | R |
| 70. | Roger Clemens (23) | 5.85 | 1986 | R |
| Jim Palmer+ (27) | 5.85 | 1973 | R | |
| 72. | Luis Tiant (33) | 5.84 | 1974 | R |
| 73. | Zack Greinke (25) | 5.83 | 2009 | R |
| Sam McDowell (22) | 5.83 | 1965 | L | |
| Joe Nathan (29) | 5.83 | 2004 | R | |
| 76. | John Wetteland (26) | 5.80 | 1993 | R |
| 77. | Mark Davis (28) | 5.79 | 1989 | L |
| Randy Johnson (33) | 5.79 | 1997 | L | |
| 79. | Robin Roberts+ (23) | 5.78 | 1950 | R |
| Curt Schilling (34) | 5.78 | 2001 | R | |
| 81. | Johan Santana (25) | 5.77 | 2004 | L |
| 82. | Randy Johnson (35) | 5.76 | 1999 | L |
| Brad Lidge (27) | 5.76 | 2004 | R | |
| 84. | Tom Gordon (30) | 5.75 | 1998 | R |
| 85. | Tom Seaver+ (30) | 5.74 | 1975 | R |
| 86. | Greg Maddux (27) | 5.73 | 1993 | R |
| Lindy McDaniel (34) | 5.73 | 1970 | R | |
| Mike Scott (31) | 5.73 | 1986 | R | |
| 89. | Eric Gagne (26) | 5.72 | 2002 | R |
| Bret Saberhagen (25) | 5.72 | 1989 | R | |
| 91. | Vida Blue (26) | 5.71 | 1976 | L |
| Bill Caudill (25) | 5.71 | 1982 | R | |
| Ken Heintzelman (33) | 5.71 | 1949 | L | |
| 94. | Sandy Koufax+ (28) | 5.70 | 1964 | L |
| Kent Tekulve (32) | 5.70 | 1979 | R | |
| 96. | Lindy McDaniel (24) | 5.69 | 1960 | R |
| 97. | Bob Purkey (32) | 5.66 | 1962 | R |
| 98. | Tug McGraw (24) | 5.63 | 1969 | L |
| 99. | Chris Carpenter (34) | 5.61 | 2009 | R |
| 100. | Steve Carlton+ (35) | 5.60 | 1980 | L |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | Throws |
| 101. | Mel Parnell (27) | 5.59 | 1949 | L |
| 102. | Rod Beck (24) | 5.57 | 1993 | R |
| 103. | Trevor Hoffman (28) | 5.55 | 1996 | R |
| Billy Pierce (26) | 5.55 | 1953 | L | |
| Rick Reuschel (28) | 5.55 | 1977 | R | |
| 106. | Jim Bunning+ (34) | 5.54 | 1966 | R |
| Jeff Montgomery (31) | 5.54 | 1993 | R | |
| 108. | Juan Marichal+ (25) | 5.53 | 1963 | R |
| 109. | Frank Tanana (22) | 5.48 | 1976 | L |
| 110. | Fergie Jenkins+ (31) | 5.47 | 1974 | R |
| 111. | Jim O'Toole (27) | 5.45 | 1964 | L |
| 112. | Eric Gagne (28) | 5.44 | 2004 | R |
| 113. | Mariano Rivera (26) | 5.43 | 1996 | R |
| 114. | Randy Myers (34) | 5.40 | 1997 | L |
| 115. | Rafael Betancourt (32) | 5.38 | 2007 | R |
| Tom Burgmeier (36) | 5.38 | 1980 | L | |
| Herb Score (23) | 5.38 | 1956 | L | |
| 118. | Mudcat Grant (34) | 5.37 | 1970 | R |
| Francisco Rodriguez (24) | 5.37 | 2006 | R | |
| 120. | Brad Lidge (31) | 5.33 | 2008 | R |
| 121. | Mike Garcia (30) | 5.32 | 1954 | R |
| 122. | Denny McLain (24) | 5.28 | 1968 | R |
| 123. | Esteban Loaiza (31) | 5.27 | 2003 | R |
| Jonathan Papelbon (25) | 5.27 | 2006 | R | |
| 125. | Jim Johnson (29) | 5.26 | 2012 | R |
| Dontrelle Willis (23) | 5.26 | 2005 | L | |
| 127. | Chris Short (27) | 5.25 | 1965 | L |
| Frank Viola (28) | 5.25 | 1988 | L | |
| 129. | Kevin Brown (35) | 5.24 | 2000 | R |
| Teddy Higuera (30) | 5.24 | 1988 | L | |
| Joe Niekro (37) | 5.24 | 1982 | R | |
| Jim Palmer+ (31) | 5.24 | 1977 | R | |
| 133. | Roger Clemens (24) | 5.23 | 1987 | R |
| Tyler Clippard (26) | 5.23 | 2011 | R | |
| Greg Minton (30) | 5.23 | 1982 | R | |
| 136. | Allie Reynolds (35) | 5.22 | 1952 | R |
| 137. | Jered Weaver (28) | 5.21 | 2011 | R |
| Early Wynn+ (36) | 5.21 | 1956 | R | |
| 139. | Bob Gibson+ (36) | 5.20 | 1972 | R |
| 140. | Ron Guidry (27) | 5.18 | 1978 | L |
| Jim Konstanty (33) | 5.18 | 1950 | R | |
| 142. | Dennis Eckersley+ (35) | 5.16 | 1990 | R |
| 143. | Greg Maddux (32) | 5.15 | 1998 | R |
| Bruce Sutter+ (24) | 5.15 | 1977 | R | |
| 145. | Roy Halladay (33) | 5.12 | 2010 | R |
| Pedro Martinez (31) | 5.12 | 2003 | R | |
| Andy Pettitte (33) | 5.12 | 2005 | L | |
| Fernando Rodney (35) | 5.12 | 2012 | R | |
| 149. | Joe Nathan (31) | 5.11 | 2006 | R |
| 150. | Bret Saberhagen (21) | 5.09 | 1985 | R |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | Throws |
| John Smoltz (37) | 5.09 | 2004 | R | |
| 152. | Tom Seaver+ (23) | 5.08 | 1968 | R |
| Wilbur Wood (29) | 5.08 | 1971 | L | |
| 154. | Kevin Brown (33) | 5.07 | 1998 | R |
| Roberto Hernandez (31) | 5.07 | 1996 | R | |
| Tim Lincecum (24) | 5.07 | 2008 | R | |
| Greg Maddux (26) | 5.07 | 1992 | R | |
| 158. | Eddie Fisher (28) | 5.05 | 1965 | R |
| Mariano Rivera (34) | 5.05 | 2004 | R | |
| John Smoltz (35) | 5.05 | 2002 | R | |
| 161. | Tim Burke (28) | 5.01 | 1987 | R |
| Don Drysdale+ (23) | 5.01 | 1960 | R | |
| 163. | Rich Gossage+ (30) | 5.00 | 1982 | R |
| 164. | Bill Lee (26) | 4.98 | 1973 | L |
| Jonathan Papelbon (28) | 4.98 | 2009 | R | |
| 166. | Mark Eichhorn (25) | 4.97 | 1986 | R |
| Rich Gossage+ (28) | 4.97 | 1980 | R | |
| Pedro Martinez (26) | 4.97 | 1998 | R | |
| 169. | Jose Rijo (28) | 4.96 | 1993 | R |
| 170. | Curt Schilling (30) | 4.95 | 1997 | R |
| 171. | Bill Campbell (28) | 4.94 | 1977 | R |
| Sal Maglie (34) | 4.94 | 1951 | R | |
| Charles Nagy (29) | 4.94 | 1996 | R | |
| 174. | Whitey Ford+ (35) | 4.92 | 1964 | L |
| Derek Lowe (27) | 4.92 | 2000 | R | |
| Justin Verlander (28) | 4.92 | 2011 | R | |
| 177. | Whitey Ford+ (27) | 4.90 | 1956 | L |
| Don Sutton+ (28) | 4.90 | 1973 | R | |
| 179. | Bob Lemon+ (31) | 4.89 | 1952 | R |
| Early Wynn+ (34) | 4.89 | 1954 | R | |
| 181. | Heath Bell (32) | 4.88 | 2010 | R |
| Jason Schmidt (30) | 4.88 | 2003 | R | |
| 183. | Alex Fernandez (26) | 4.86 | 1996 | R |
| Stu Miller (38) | 4.86 | 1966 | R | |
| Tom Seaver+ (32) | 4.86 | 1977 | R | |
| 186. | Mike Hampton (26) | 4.85 | 1999 | L |
| Felix Hernandez (24) | 4.85 | 2010 | R | |
| 188. | Doug Jones (31) | 4.84 | 1988 | R |
| 189. | Steve Rogers (32) | 4.83 | 1982 | R |
| 190. | Pat Hentgen (27) | 4.82 | 1996 | R |
| 191. | Frank Viola (27) | 4.81 | 1987 | L |
| 192. | Frank Tanana (21) | 4.80 | 1975 | L |
| 193. | Bob Lee (27) | 4.79 | 1965 | R |
| 194. | Ted Abernathy (34) | 4.78 | 1967 | R |
| Kevin Appier (24) | 4.78 | 1992 | R | |
| 196. | Clay Carroll (31) | 4.76 | 1972 | R |
| Jay Howell (33) | 4.76 | 1989 | R | |
| Tim Lincecum (25) | 4.76 | 2009 | R | |
| CC Sabathia (27) | 4.76 | 2008 | L | |
| 200. | Dennis Eckersley+ (24) | 4.75 | 1979 | R |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | Throws |
| Don Sutton+ (27) | 4.75 | 1972 | R | |
| 202. | Jim Kern (30) | 4.74 | 1979 | R |
| 203. | B.J. Ryan (30) | 4.73 | 2006 | L |
| 204. | Mike Mussina (23) | 4.71 | 1992 | R |
| 205. | Roger Clemens (29) | 4.70 | 1992 | R |
| Fritz Dorish (30) | 4.70 | 1952 | R | |
| 207. | John Candelaria (23) | 4.69 | 1977 | L |
| 208. | Tommy John (36) | 4.68 | 1979 | L |
| Jim Palmer+ (30) | 4.68 | 1976 | R | |
| 210. | Bob Gibson+ (34) | 4.66 | 1970 | R |
| 211. | Gary Peters (26) | 4.65 | 1963 | L |
| Dan Quisenberry (31) | 4.65 | 1984 | R | |
| 213. | Jim Bouton (24) | 4.64 | 1963 | R |
| Juan Guzman (25) | 4.64 | 1992 | R | |
| Gaylord Perry+ (25) | 4.64 | 1964 | R | |
| Mariano Rivera (28) | 4.64 | 1998 | R | |
| Ken Tatum (25) | 4.64 | 1969 | R | |
| Jonny Venters (26) | 4.64 | 2011 | L | |
| 219. | Hank Aguirre (31) | 4.63 | 1962 | L |
| Roy Halladay (28) | 4.63 | 2005 | R | |
| Jim Maloney (25) | 4.63 | 1965 | R | |
| Robin Roberts+ (25) | 4.63 | 1952 | R | |
| 223. | Joe Coleman (24) | 4.62 | 1971 | R |
| Ray Narleski (28) | 4.62 | 1957 | R | |
| 225. | Billy Koch (27) | 4.61 | 2002 | R |
| Curt Schilling (37) | 4.61 | 2004 | R | |
| 227. | Dennis Eckersley+ (37) | 4.60 | 1992 | R |
| Al Hrabosky (25) | 4.60 | 1975 | L | |
| 229. | Chris Carpenter (30) | 4.59 | 2005 | R |
| 230. | Gene Bearden (27) | 4.58 | 1948 | L |
| 231. | Al Benton (38) | 4.57 | 1949 | R |
| Keith Foulke (30) | 4.57 | 2003 | R | |
| 233. | Armando Benitez (29) | 4.56 | 2002 | R |
| Lerrin LaGrow (28) | 4.56 | 1977 | R | |
| 235. | Joakim Soria (26) | 4.55 | 2010 | R |
| 236. | Lew Burdette (27) | 4.54 | 1954 | R |
| 237. | Danny Graves (26) | 4.53 | 2000 | R |
| 238. | Bob Gibson+ (30) | 4.52 | 1966 | R |
| Tom Gordon (36) | 4.52 | 2004 | R | |
| Mariano Rivera (38) | 4.52 | 2008 | R | |
| Curt Schilling (35) | 4.52 | 2002 | R | |
| 242. | Teddy Higuera (28) | 4.51 | 1986 | L |
| Catfish Hunter+ (29) | 4.51 | 1975 | R | |
| Robin Roberts+ (24) | 4.51 | 1951 | R | |
| 245. | Roy Halladay (31) | 4.50 | 2008 | R |
| John Smoltz (29) | 4.50 | 1996 | R | |
| Dave Stewart (33) | 4.50 | 1990 | R | |
| 248. | Kevin Millwood (24) | 4.49 | 1999 | R |
| 249. | Roger Clemens (35) | 4.48 | 1998 | R |
| Joe Horlen (29) | 4.48 | 1967 | R | |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | Throws |
| Jeff Shaw (30) | 4.48 | 1997 | R | |
| 252. | Bert Blyleven+ (38) | 4.47 | 1989 | R |
| John Montefusco (25) | 4.47 | 1975 | R | |
| Mike Mussina (25) | 4.47 | 1994 | R | |
| 255. | Lew Burdette (26) | 4.46 | 1953 | R |
| Brendan Donnelly (31) | 4.46 | 2003 | R | |
| Mike Mussina (26) | 4.46 | 1995 | R | |
| Gary Nolan (19) | 4.46 | 1967 | R | |
| Mark Prior (22) | 4.46 | 2003 | R | |
| 260. | Don Drysdale+ (27) | 4.45 | 1964 | R |
| Roger Nelson (28) | 4.45 | 1972 | R | |
| Warren Spahn+ (30) | 4.45 | 1951 | L | |
| 263. | Billy Pierce (24) | 4.44 | 1951 | L |
| 264. | Kevin Appier (28) | 4.43 | 1996 | R |
| Francisco Cordero (29) | 4.43 | 2004 | R | |
| Chuck Finley (27) | 4.43 | 1990 | L | |
| Greg Maddux (34) | 4.43 | 2000 | R | |
| 268. | Fergie Jenkins+ (26) | 4.42 | 1969 | R |
| J.C. Romero (26) | 4.42 | 2002 | L | |
| Bruce Sutter+ (31) | 4.42 | 1984 | R | |
| 271. | Armando Benitez (31) | 4.41 | 2004 | R |
| 272. | Mike Flanagan (27) | 4.40 | 1979 | L |
| Troy Percival (32) | 4.40 | 2002 | R | |
| 274. | Mike Garcia (25) | 4.39 | 1949 | R |
| Eddie Lopat (33) | 4.39 | 1951 | L | |
| Sparky Lyle (27) | 4.39 | 1972 | L | |
| Dan Quisenberry (30) | 4.39 | 1983 | R | |
| 278. | Roy Halladay (26) | 4.38 | 2003 | R |
| Johan Santana (26) | 4.38 | 2005 | L | |
| 280. | Steve Carlton+ (24) | 4.37 | 1969 | L |
| 281. | Mark Fidrych (21) | 4.36 | 1976 | R |
| Tim Hudson (27) | 4.36 | 2003 | R | |
| Don Stanhouse (28) | 4.36 | 1979 | R | |
| Justin Verlander (26) | 4.36 | 2009 | R | |
| 285. | Roger Clemens (25) | 4.35 | 1988 | R |
| Ron Perranoski (27) | 4.35 | 1963 | L | |
| Bill Swift (31) | 4.35 | 1993 | R | |
| 288. | Mike Cuellar (32) | 4.34 | 1969 | L |
| Craig Kimbrel (24) | 4.34 | 2012 | R | |
| Al Leiter (32) | 4.34 | 1998 | L | |
| Mike Mussina (32) | 4.34 | 2001 | R | |
| 292. | Dick Selma (26) | 4.33 | 1970 | R |
| Don Sutton+ (35) | 4.33 | 1980 | R | |
| 294. | Steve Carlton+ (37) | 4.32 | 1982 | L |
| Roy Halladay (34) | 4.32 | 2011 | R | |
| Johnny Podres (24) | 4.32 | 1957 | L | |
| Bill Singer (29) | 4.32 | 1973 | R | |
| 298. | Roberto Hernandez (26) | 4.31 | 2007 | R |
| Whitey Ford+ (26) | 4.31 | 1955 | L | |
| Roberto Hernandez (34) | 4.31 | 1999 | R | |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | Throws |
| Teddy Higuera (29) | 4.31 | 1987 | L | |
| Troy Percival (31) | 4.31 | 2001 | R | |
| 303. | Ron Guidry (28) | 4.30 | 1979 | L |
| Dan Haren (30) | 4.30 | 2011 | R | |
| Doug Jones (35) | 4.30 | 1992 | R | |
| Ian Kennedy (26) | 4.30 | 2011 | R | |
| 307. | Takashi Saito (37) | 4.29 | 2007 | R |
| Fernando Valenzuela (20) | 4.29 | 1981 | L | |
| 309. | Bob Gibson+ (26) | 4.28 | 1962 | R |
| Juan Marichal+ (26) | 4.28 | 1964 | R | |
| Randy Myers (25) | 4.28 | 1988 | L | |
| Jake Peavy (26) | 4.28 | 2007 | R | |
| Hoyt Wilhelm+ (36) | 4.28 | 1959 | R | |
| 314. | Stan Bahnsen (23) | 4.27 | 1968 | R |
| Jimmy Key (24) | 4.27 | 1985 | L | |
| 316. | Cy Acosta (26) | 4.26 | 1973 | R |
| Dwight Gooden (19) | 4.26 | 1984 | R | |
| Donnie Moore (31) | 4.26 | 1985 | R | |
| Mel Rojas (29) | 4.26 | 1996 | R | |
| Jason Schmidt (31) | 4.26 | 2004 | R | |
| 321. | Felix Hernandez (26) | 4.25 | 2012 | R |
| Tug McGraw (26) | 4.25 | 1971 | L | |
| 323. | Bert Blyleven+ (24) | 4.24 | 1975 | R |
| Bill Hands (29) | 4.24 | 1969 | R | |
| Billy Koch (25) | 4.24 | 2000 | R | |
| Joakim Soria (24) | 4.24 | 2008 | R | |
| 327. | John Axford (28) | 4.23 | 2011 | R |
| John Wetteland (29) | 4.23 | 1996 | R | |
| 329. | Frank Baumann (26) | 4.22 | 1960 | L |
| Bryan Harvey (30) | 4.22 | 1993 | R | |
| James Shields (29) | 4.22 | 2011 | R | |
| Rafael Soriano (30) | 4.22 | 2010 | R | |
| 333. | Andy Messersmith (28) | 4.21 | 1974 | R |
| Tom Murphy (28) | 4.21 | 1974 | R | |
| J.J. Putz (29) | 4.21 | 2006 | R | |
| 336. | Kevin Brown (34) | 4.20 | 1999 | R |
| Trevor Hoffman (31) | 4.20 | 1999 | R | |
| Bob Lemon+ (35) | 4.20 | 1956 | R | |
| Roy Oswalt (27) | 4.20 | 2005 | R | |
| David Robertson (26) | 4.20 | 2011 | R | |
| Wayne Twitchell (25) | 4.20 | 1973 | R | |
| 342. | Randy Johnson (29) | 4.19 | 1993 | L |
| Dave LaRoche (28) | 4.19 | 1976 | L | |
| Al McBean (25) | 4.19 | 1963 | R | |
| Bob Shaw (26) | 4.19 | 1959 | R | |
| 346. | Britt Burns (21) | 4.18 | 1980 | L |
| Don Drysdale+ (31) | 4.18 | 1968 | R | |
| Ron Perranoski (33) | 4.18 | 1969 | L | |
| Vic Raschi (31) | 4.18 | 1950 | R | |
| Brian Wilson (28) | 4.18 | 2010 | R | |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | Throws |
| 351. | Dennis Leonard (26) | 4.17 | 1977 | R |
| Preacher Roe (32) | 4.17 | 1948 | L | |
| 353. | Roger Clemens (41) | 4.16 | 2004 | R |
| Stu Miller (33) | 4.16 | 1961 | R | |
| Don Newcombe (30) | 4.16 | 1956 | R | |
| Mario Soto (26) | 4.16 | 1983 | R | |
| Mark Wohlers (26) | 4.16 | 1996 | R | |
| 358. | Dennis Eckersley+ (22) | 4.15 | 1977 | R |
| Justin Verlander (29) | 4.15 | 2012 | R | |
| 360. | Bert Blyleven+ (25) | 4.14 | 1976 | R |
| Pedro Martinez (30) | 4.14 | 2002 | R | |
| Andy Messersmith (29) | 4.14 | 1975 | R | |
| 363. | Kerry Wood (26) | 4.13 | 2003 | R |
| Carlos Zambrano (24) | 4.13 | 2005 | R | |
| 365. | Darryl Kile (28) | 4.12 | 1997 | R |
| Bob Knepper (24) | 4.12 | 1978 | L | |
| Cliff Lee (32) | 4.12 | 2011 | L | |
| Bobby Thigpen (26) | 4.12 | 1990 | R | |
| 369. | LaTroy Hawkins (30) | 4.11 | 2003 | R |
| Dave McNally (25) | 4.11 | 1968 | L | |
| Jim Palmer+ (24) | 4.11 | 1970 | R | |
| Jeff Zimmerman (28) | 4.11 | 2001 | R | |
| 373. | Mike Garcia (28) | 4.10 | 1952 | R |
| Felix Hernandez (23) | 4.10 | 2009 | R | |
| Jimmy Key (32) | 4.10 | 1993 | L | |
| 376. | Virgil Trucks (32) | 4.09 | 1949 | R |
| 377. | Sam McDowell (27) | 4.08 | 1970 | L |
| Tug McGraw (35) | 4.08 | 1980 | L | |
| Johan Santana (29) | 4.08 | 2008 | L | |
| 380. | Steve Bedrosian (24) | 4.07 | 1982 | R |
| David Cone (32) | 4.07 | 1995 | R | |
| Rheal Cormier (36) | 4.07 | 2003 | L | |
| Greg Maddux (35) | 4.07 | 2001 | R | |
| Juan Pizarro (26) | 4.07 | 1963 | L | |
| Ken Sanders (29) | 4.07 | 1971 | R | |
| Red Witt (24) | 4.07 | 1958 | R | |
| 387. | Ernie Broglio (24) | 4.06 | 1960 | R |
| Jeff Montgomery (29) | 4.06 | 1991 | R | |
| Gaylord Perry+ (28) | 4.06 | 1967 | R | |
| Jose Valverde (33) | 4.06 | 2011 | R | |
| 391. | Mike Henneman (29) | 4.05 | 1991 | R |
| Randy Jones (26) | 4.05 | 1976 | L | |
| Johan Santana (27) | 4.05 | 2006 | L | |
| 394. | Steve Busby (25) | 4.04 | 1975 | R |
| Derek Lowe (29) | 4.04 | 2002 | R | |
| Sid Monge (28) | 4.04 | 1979 | L | |
| Warren Spahn+ (27) | 4.04 | 1948 | L | |
| Bob Tewksbury (31) | 4.04 | 1992 | R | |
| 399. | Joe Horlen (26) | 4.03 | 1964 | R |
| Ubaldo Jimenez (26) | 4.03 | 2010 | R | |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | Throws |
| Sparky Lyle (32) | 4.03 | 1977 | L | |
| Jake Peavy (24) | 4.03 | 2005 | R | |
| Mariano Rivera (39) | 4.03 | 2009 | R | |
| Luis Tiant (32) | 4.03 | 1973 | R | |
| 405. | Tom Hall (22) | 4.02 | 1970 | L |
| Al Leiter (30) | 4.02 | 1996 | L | |
| 407. | Rich Gossage+ (33) | 4.01 | 1985 | R |
| Takashi Saito (36) | 4.01 | 2006 | R | |
| 409. | Juan Guzman (29) | 4.00 | 1996 | R |
| Tommy John (34) | 4.00 | 1977 | L | |
| 411. | Joe Black (28) | 3.99 | 1952 | R |
| Ellis Kinder (36) | 3.99 | 1951 | R | |
| Jim Palmer+ (32) | 3.99 | 1978 | R | |
| 414. | Rich Harden (26) | 3.98 | 2008 | R |
| Fergie Jenkins+ (28) | 3.98 | 1971 | R | |
| Derek Lowe (26) | 3.98 | 1999 | R | |
| Dave Stieb (27) | 3.98 | 1985 | R | |
| Adam Wainwright (27) | 3.98 | 2009 | R | |
| Jarrod Washburn (27) | 3.98 | 2002 | L | |
| 420. | J.R. Richard (29) | 3.97 | 1979 | R |
| Bill Singer (25) | 3.97 | 1969 | R | |
| 422. | Jerry Koosman (25) | 3.96 | 1968 | L |
| 423. | Burt Hooton (27) | 3.95 | 1977 | R |
| Jeff Lahti (28) | 3.95 | 1985 | R | |
| Don Sutton+ (30) | 3.95 | 1975 | R | |
| Barry Zito (24) | 3.95 | 2002 | L | |
| 427. | Rick Reed (32) | 3.94 | 1997 | R |
| Steve Rogers (23) | 3.94 | 1973 | R | |
| 429. | Roy Halladay (25) | 3.93 | 2002 | R |
| Todd Worrell (35) | 3.93 | 1995 | R | |
| 431. | Armando Benitez (28) | 3.92 | 2001 | R |
| Cole Hamels (27) | 3.92 | 2011 | L | |
| Danny Jackson (26) | 3.92 | 1988 | L | |
| Hideo Nomo (26) | 3.92 | 1995 | R | |
| Roy Oswalt (28) | 3.92 | 2006 | R | |
| Bret Saberhagen (27) | 3.92 | 1991 | R | |
| Bob Stanley (27) | 3.92 | 1982 | R | |
| Mel Stottlemyre (26) | 3.92 | 1968 | R | |
| 439. | Dave Roberts (26) | 3.91 | 1971 | L |
| Billy Wagner (31) | 3.91 | 2003 | L | |
| 441. | Hong-Chih Kuo (28) | 3.90 | 2010 | L |
| 442. | Bruce Sutter+ (26) | 3.89 | 1979 | R |
| Frank Viola (24) | 3.89 | 1984 | L | |
| 444. | Eddie Guardado (30) | 3.88 | 2001 | L |
| Jack Harshman (28) | 3.88 | 1956 | L | |
| Tom Henke (37) | 3.88 | 1995 | R | |
| Steve McCatty (27) | 3.88 | 1981 | R | |
| Billy Pierce (29) | 3.88 | 1956 | L | |
| Craig Swan (27) | 3.88 | 1978 | R | |
| 450. | Rich Gossage+ (26) | 3.87 | 1978 | R |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | Throws |
| Dennis Martinez (36) | 3.87 | 1991 | R | |
| Huston Street (21) | 3.87 | 2005 | R | |
| 453. | Erik Hanson (25) | 3.86 | 1990 | R |
| Mickey Lolich (31) | 3.86 | 1972 | L | |
| Justin Thompson (24) | 3.86 | 1997 | L | |
| 456. | Roger Clemens (28) | 3.85 | 1991 | R |
| Brian Fuentes (29) | 3.85 | 2005 | L | |
| Catfish Hunter+ (26) | 3.85 | 1972 | R | |
| Vern Law (35) | 3.85 | 1965 | R | |
| Jim Palmer+ (36) | 3.85 | 1982 | R | |
| Jeff Zimmerman (26) | 3.85 | 1999 | R | |
| 462. | Pedro Astacio (27) | 3.84 | 1996 | R |
| Heath Bell (29) | 3.84 | 2007 | R | |
| Tom Candiotti (33) | 3.84 | 1991 | R | |
| John Hiller (35) | 3.84 | 1978 | L | |
| Ervin Santana (25) | 3.84 | 2008 | R | |
| Joakim Soria (23) | 3.84 | 2007 | R | |
| Mel Stottlemyre (23) | 3.84 | 1965 | R | |
| Bob Wickman (32) | 3.84 | 2001 | R | |
| 470. | Mike Cuellar (37) | 3.83 | 1974 | L |
| Sal Maglie (35) | 3.83 | 1952 | R | |
| Don Mossi (32) | 3.83 | 1961 | L | |
| Bob Porterfield (28) | 3.83 | 1952 | R | |
| Dave Stieb (32) | 3.83 | 1990 | R | |
| 475. | Roy Halladay (32) | 3.82 | 2009 | R |
| Phil Niekro+ (30) | 3.82 | 1969 | R | |
| Fritz Peterson (27) | 3.82 | 1969 | L | |
| Nolan Ryan+ (25) | 3.82 | 1972 | R | |
| 479. | Tom Glavine (32) | 3.81 | 1998 | L |
| Jamie Moyer (36) | 3.81 | 1999 | L | |
| Dan Petry (26) | 3.81 | 1985 | R | |
| Hoyt Wilhelm+ (44) | 3.81 | 1967 | R | |
| 483. | Erik Bedard (28) | 3.80 | 2007 | L |
| Tom Glavine (30) | 3.80 | 1996 | L | |
| Jonathan Papelbon (26) | 3.80 | 2007 | R | |
| 486. | Johnny Antonelli (29) | 3.79 | 1959 | L |
| Kevin Brown (32) | 3.79 | 1997 | R | |
| Tom Glavine (25) | 3.79 | 1991 | L | |
| Brad Radke (31) | 3.79 | 2004 | R | |
| Hoyt Wilhelm+ (29) | 3.79 | 1952 | R | |
| 491. | John Franco (24) | 3.78 | 1985 | L |
| Jair Jurrjens (23) | 3.78 | 2009 | R | |
| Clayton Kershaw (23) | 3.78 | 2011 | L | |
| Jose Mesa (35) | 3.78 | 2001 | R | |
| 495. | Stan Belinda (28) | 3.77 | 1995 | R |
| Roger Clemens (33) | 3.77 | 1996 | R | |
| Ellis Kinder (38) | 3.77 | 1953 | R | |
| Jim Maloney (23) | 3.77 | 1963 | R | |
| Carlos Marmol (25) | 3.77 | 2008 | R | |
| Billy Wagner (29) | 3.77 | 2001 | L | |
| Rank | Player (age that year) | Win Probability Added (WPA) | Year | Throws |
| Mike Witt (25) | 3.77 | 1986 | R |
Note that seasons prior to 1876 are not included in single-season marks, but are included in career marks.