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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | WPCT | YEAR | Open Postseason Leaderboard |
|---|---|---|---|---|
| 1 | Jack Coombs | 1.000 | 1906-1920 | |
| 1 | Lefty Gomez* | 1.000 | 1930-1943 | |
| 1 | Bruce Hurst | 1.000 | 1980-1992 | |
| 1 | Jerry Koosman | 1.000 | 1967-1985 | |
| 1 | Greg Maddux# | 1.000 | 1986-2001 | |
| 1 | Monte Pearson | 1.000 | 1932-1941 | |
| 1 | Herb Pennock* | 1.000 | 1912-1934 | |
| 1 | Ed Reulbach | 1.000 | 1905-1917 | |
| 1 | Babe Ruth* | 1.000 | 1914-1935 | |
| 1 | Bret Saberhagen | 1.000 | 1984-2000 | |
| 1 | Paul Splittorff | 1.000 | 1970-1984 | |
| 1 | Luis Tiant | 1.000 | 1964-1982 | |
| 1 | Dick Tidrow | 1.000 | 1972-1984 | |
| 14 | Chris Carpenter# | .857 | 1995-2001 | |
| 15 | Bert Blyleven* | .833 | 1970-1990 | |
| 15 | Bruce Kison | .833 | 1971-1985 | |
| 15 | Dave Righetti | .833 | 1979-1996 | |
| 15 | Kirk Rueter# | .833 | 1992-2001 | |
| 19 | Lady Baldwin | .800 | 1885-1890 | |
| 19 | Harry Brecheen | .800 | 1940-1953 | |
| 19 | Tommy Bridges | .800 | 1930-1946 | |
| 19 | Ed Lopat | .800 | 1944-1955 | |
| 19 | Johnny Podres | .800 | 1953-1969 | |
| 24 | Bob Gibson* | .778 | 1959-1975 | |
| 24 | Allie Reynolds | .778 | 1942-1954 | |
| 24 | Red Ruffing* | .778 | 1924-1947 | |
| 27 | Steve Blass | .750 | 1964-1974 | |
| 27 | Bill Dinneen | .750 | 1898-1909 | |
| 27 | Mike Flanagan | .750 | 1975-1989 | |
| 27 | Tom Glavine# | .750 | 1987-2001 | |
| 27 | Mark Gubicza | .750 | 1984-1997 | |
| 27 | Ron Guidry | .750 | 1975-1990 | |
| 27 | Jesse Haines* | .750 | 1918-1937 | |
| 27 | Bill Hallahan | .750 | 1925-1938 | |
| 27 | Mike Hampton# | .750 | 1993-2001 | |
| 27 | Randy Johnson# | .750 | 1988-2001 | |
| 27 | Mickey Lolich | .750 | 1963-1979 | |
| 27 | Jack Morris | .750 | 1977-1997 | |
| 27 | Blue Moon Odom | .750 | 1964-1976 | |
| 27 | Orval Overall | .750 | 1905-1913 | |
| 27 | Don Robinson | .750 | 1978-1996 | |
| 27 | Ernie Shore | .750 | 1912-1920 | |
| 27 | Javier Vazquez# | .750 | 1998-2001 | |
| 44 | Jim Palmer* | .727 | 1965-1984 | |
| 45 | Ed Crane | .714 | 1885-1893 | |
| 45 | Alex Fernandez# | .714 | 1990-2001 | |
| 47 | Wilson Alvarez# | .700 | 1990-2001 | |
| 47 | Tommy John* | .700 | 1963-1988 | |
| 49 | James Baldwin# | .667 | 1992-2001 | |
| 49 | Jack Billingham | .667 | 1968-1980 | |
| 49 | Nelson Briles | .667 | 1965-1978 | |
| 49 | Lew Burdette | .667 | 1950-1967 | |
| 49 | Clay Carroll | .667 | 1964-1978 | |
| 49 | Charlie Getzein | .667 | 1884-1892 | |
| 49 | Rich Gossage* | .667 | 1972-1993 | |
| 49 | Lefty Grove* | .667 | 1925-1941 | |
| 49 | Burt Hooton | .667 | 1971-1985 | |
| 49 | Carl Hubbell* | .667 | 1928-1943 | |
| 49 | Max Lanier | .667 | 1938-1953 | |
| 49 | Don Larsen | .667 | 1953-1967 | |
| 49 | Carl Pavano# | .667 | 1995-2001 | |
| 49 | Greg Swindell# | .667 | 1986-2000 | |
| 49 | Bobby Thigpen# | .667 | 1986-2001 | |
| 49 | Frank Viola | .667 | 1982-1998 | |
| 65 | Dave McNally | .636 | 1962-1975 | |
| 66 | Mike Jeffcoat | .625 | 1983-1999 | |
| 66 | Vic Raschi | .625 | 1946-1955 | |
| 68 | Rick Aguilera | .600 | 1985-1999 | |
| 68 | Grover Cleveland Alexander* | .600 | 1911-1930 | |
| 68 | Joaquin Andujar | .600 | 1976-1988 | |
| 68 | Charles Bender* | .600 | 1903-1925 | |
| 68 | Stan Coveleski* | .600 | 1912-1928 | |
| 68 | Sid Fernandez | .600 | 1983-1999 | |
| 68 | John Franco# | .600 | 1984-2001 | |
| 68 | Ken Holtzman | .600 | 1965-1979 | |
| 68 | Charlie Hough | .600 | 1970-1992 | |
| 68 | Waite Hoyt* | .600 | 1918-1938 | |
| 68 | Catfish Hunter* | .600 | 1965-1979 | |
| 68 | Joe Magrane | .600 | 1987-1999 | |
| 68 | Deacon Phillippe | .600 | 1899-1911 | |
| 68 | Kenny Rogers# | .600 | 1989-2001 | |
| 68 | Aaron Sele# | .600 | 1991-2001 | |
| 68 | Don Sutton* | .600 | 1966-1990 | |
| 68 | Fernando Valenzuela | .600 | 1980-1999 | |
| 85 | Roger Clemens# | .583 | 1984-2001 | |
| 86 | John Candelaria | .571 | 1975-1991 | |
| 86 | Danny Cox | .571 | 1983-1994 | |
| 86 | George Earnshaw | .571 | 1928-1936 | |
| 86 | Tim Keefe* | .571 | 1880-1893 | |
| 86 | Sandy Koufax* | .571 | 1955-1966 | |
| 86 | Warren Spahn* | .571 | 1942-1965 | |
| 86 | Bob Turley | .571 | 1951-1963 | |
| 93 | Mordecai Brown* | .556 | 1903-1916 | |
| 93 | Whitey Ford* | .556 | 1950-1967 | |
| 93 | Ben McDonald# | .556 | 1989-2001 | |
| 93 | Curt Schilling# | .556 | 1988-2001 | |
| 93 | John Tudor | .556 | 1979-1996 | |
| 98 | Chris Haney# | .545 | 1991-2001 | |
| 99 | Jim Abbott# | .500 | 1989-2001 | |
| 99 | Steve Carlton* | .500 | 1965-1988 |
