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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OSLG | YEAR | Open Postseason Leaderboard |
|---|---|---|---|---|
| 1 | Mike Harkey# | .246 | 1988-1995 | |
| 2 | Bert Blyleven | .262 | 1976-1985 | |
| 3 | Dwight Gooden# | .270 | 1984-1995 | |
| 4 | Randy Myers# | .276 | 1985-1995 | |
| 5 | Ed Correa# | .287 | 1985-1995 | |
| 6 | Floyd Youmans# | .290 | 1985-1995 | |
| 7 | Len Barker | .291 | 1976-1991 | |
| 8 | Tom Candiotti | .294 | 1984-1992 | |
| 9 | Larry McWilliams | .296 | 1978-1989 | |
| 10 | Rick Jones | .301 | 1976-1988 | |
| 11 | Al Holland | .302 | 1977-1987 | |
| 12 | Greg Mathews# | .303 | 1986-1995 | |
| 12 | Milt Wilcox | .303 | 1976-1985 | |
| 14 | Joe Johnson# | .305 | 1985-1995 | |
| 15 | Greg Swindell | .307 | 1986-1991 | |
| 16 | J.R. Richard | .308 | 1976-1988 | |
| 17 | Danny Jackson# | .311 | 1983-1995 | |
| 18 | Dale Murray | .312 | 1976-1992 | |
| 19 | Ed Figueroa | .314 | 1977-1985 | |
| 19 | Randy Johnson# | .314 | 1989-1995 | |
| 21 | Dan Petry | .318 | 1979-1987 | |
| 21 | Bryn Smith# | .318 | 1981-1995 | |
| 23 | Steve Avery# | .319 | 1990-1995 | |
| 24 | Wilson Alvarez# | .322 | 1990-1995 | |
| 25 | Bill Caudill# | .324 | 1979-1994 | |
| 26 | Ken Dayley | .325 | 1984-1992 | |
| 26 | Lee Smith# | .325 | 1980-1995 | |
| 26 | Mark Guthrie# | .325 | 1989-1995 | |
| 29 | Rick Reuschel | .329 | 1976-1983 | |
| 30 | Bob Stanley | .331 | 1977-1989 | |
| 30 | Reggie Cleveland | .331 | 1976-1982 | |
| 32 | Kevin Gross# | .333 | 1983-1994 | |
| 33 | Matt Young# | .334 | 1983-1995 | |
| 33 | John Smoltz# | .334 | 1988-1995 | |
| 35 | Silvio Martinez | .335 | 1977-1993 | |
| 36 | Steve Rogers | .336 | 1976-1988 | |
| 36 | Scott Brown# | .336 | 1981-1994 | |
| 38 | Steve Carlton | .342 | 1976-1985 | |
| 39 | Dave Stewart | .343 | 1978-1982 | |
| 40 | Mike Bruhert | .346 | 1978-1986 | |
| 40 | Wayne Garland | .346 | 1976-1987 | |
| 42 | Teddy Higuera# | .348 | 1985-1995 | |
| 43 | Scott Garrelts# | .351 | 1982-1995 | |
| 44 | Rick Rhoden | .353 | 1976-1992 | |
| 44 | Andy Rincon | .353 | 1980-1994 | |
| 46 | Jon Matlack* | .354 | 1976-1990 | |
| 47 | Rheal Cormier# | .357 | 1991-1995 | |
| 47 | Nino Espinosa | .357 | 1976-1983 | |
| 49 | Steve Howe# | .358 | 1980-1995 | |
| 50 | Greg Maddux# | .359 | 1986-1995 | |
| 50 | Bruce Hurst | .359 | 1982-1994 | |
| 52 | Ken Howell# | .363 | 1984-1995 | |
| 53 | Randy Tomlin# | .364 | 1990-1995 | |
| 54 | John Montefusco* | .365 | 1976-1985 | |
| 54 | Alex Fernandez# | .365 | 1990-1995 | |
| 56 | Jimmy Key# | .367 | 1984-1995 | |
| 57 | Mike Scott | .368 | 1979-1992 | |
| 57 | Tim Belcher# | .368 | 1987-1994 | |
| 59 | Tom Seaver | .369 | 1976-1986 | |
| 59 | Roger Clemens# | .369 | 1984-1995 | |
| 61 | Miguel Batista# | .370 | 1992-1995 | |
| 62 | Doc Medich | .372 | 1976-1984 | |
| 63 | Mickey Lolich | .373 | 1976-1979 | |
| 63 | Dennis Lamp | .373 | 1977-1988 | |
| 63 | Kelly Downs# | .373 | 1986-1995 | |
| 66 | Dennis Eckersley | .374 | 1976-1993 | |
| 67 | Ken Brett | .375 | 1976-1987 | |
| 68 | Todd Van Poppel# | .378 | 1991-1995 | |
| 68 | Jerry Reuss | .378 | 1976-1986 | |
| 70 | Dan Plesac# | .379 | 1986-1995 | |
| 71 | Rick Sutcliffe | .380 | 1976-1987 | |
| 72 | Dan Warthen | .381 | 1976-1992 | |
| 73 | Andy Benes# | .383 | 1989-1995 | |
| 74 | Jose DeLeon# | .386 | 1983-1995 | |
| 75 | Charlie Leibrandt | .387 | 1979-1990 | |
| 76 | Bob Sebra# | .388 | 1985-1995 | |
| 77 | Jim Clancy | .391 | 1977-1991 | |
| 78 | Kevin Brown# | .392 | 1986-1995 | |
| 79 | Doug Jones# | .394 | 1982-1995 | |
| 80 | Joe Magrane# | .397 | 1987-1995 | |
| 81 | Bruce Kison | .398 | 1976-1984 | |
| 81 | Gary Serum | .398 | 1978-1988 | |
| 83 | Jerry Koosman | .399 | 1976-1980 | |
| 83 | Gary Nolan | .399 | 1976-1984 | |
| 85 | Bob James | .400 | 1978-1993 | |
| 85 | Mike LaCoss | .400 | 1978-1991 | |
| 87 | Dave Goltz | .403 | 1976-1987 | |
| 87 | Mike Smithson | .403 | 1982-1990 | |
| 89 | Catfish Hunter | .407 | 1976-1984 | |
| 90 | Joe Hesketh | .409 | 1984-1993 | |
| 90 | Pete Falcone | .409 | 1976-1986 | |
| 92 | David Clyde | .411 | 1976-1990 | |
| 93 | Frank Tanana | .413 | 1976-1988 | |
| 94 | Jose Rijo# | .414 | 1984-1995 | |
| 95 | Bill C. Swift# | .416 | 1985-1995 | |
| 95 | Kevin Appier# | .416 | 1989-1995 | |
| 95 | Pascual Perez | .416 | 1980-1993 | |
| 95 | Vida Blue* | .416 | 1976-1990 | |
| 99 | Tony Brizzolara | .417 | 1980-1991 | |
| 99 | Jeff D. Robinson# | .417 | 1984-1995 |
