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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | WPCT | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Salvador Ibarra* | 1.0000 | 2054 | |
| 1 | Joel Pineiro | 1.0000 | 2007 | |
| 1 | Greg Miller* | 1.0000 | 2009 | |
| 4 | Chris Ashling# | .9655 | 2061 | |
| 5 | Thomas Diamond* | .9600 | 2017 | |
| 6 | Greg Miller* | .9565 | 2012 | |
| 7 | J.D. Durbin | .9545 | 2009 | |
| 8 | Hong Kistner | .9524 | 2022 | |
| 9 | Alfredo Perez* | .9474 | 2019 | |
| 10 | Alfredo Perez* | .9444 | 2018 | |
| 11 | Ernesto Nava# | .9375 | 2065 | |
| 12 | Alfredo Perez* | .9355 | 2021 | |
| 13 | Greg Miller* | .9333 | 2010 | |
| 13 | Roland Noyola* | .9333 | 2023 | |
| 15 | Gerald Donaldson* | .9259 | 2018 | |
| 16 | Greg Miller* | .9200 | 2006 | |
| 16 | Juan Rodríguez | .9200 | 2054 | |
| 18 | Woody Baker# | .9167 | 2061 | |
| 18 | Martin Halbert# | .9167 | 2066 | |
| 18 | Conner O'Keefe# | .9167 | 2065 | |
| 18 | Kris Honel | .9167 | 2010 | |
| 18 | Mark Prior* | .9167 | 2004 | |
| 18 | Salvador Ibarra* | .9167 | 2048 | |
| 24 | Brandon League | .9130 | 2010 | |
| 24 | Scott Autrey | .9130 | 2009 | |
| 24 | Neill Oulton* | .9130 | 2044 | |
| 27 | Jered Weaver | .9091 | 2008 | |
| 27 | António Clemente | .9091 | 2040 | |
| 27 | Martín Ortíz | .9091 | 2043 | |
| 27 | Alfonso Luna# | .9091 | 2065 | |
| 27 | Shan-tang Gan# | .9091 | 2061 | |
| 32 | Eddy Manus | .9048 | 2040 | |
| 32 | Rich Cooper | .9048 | 2054 | |
| 32 | Jered Weaver | .9048 | 2010 | |
| 32 | Greg Maddux* | .9048 | 1995 | |
| 32 | Mo-ruo Fang# | .9048 | 2060 | |
| 32 | Thomas Diamond* | .9048 | 2009 | |
| 38 | Chris Ashling# | .9032 | 2060 | |
| 39 | Randy Johnson* | .9000 | 1995 | |
| 39 | Gaby Garza* | .9000 | 2022 | |
| 41 | Edwin Jackson* | .8966 | 2008 | |
| 42 | Tony Paylor* | .8929 | 2038 | |
| 43 | Jacobo Rocha* | .8889 | 2029 | |
| 43 | Salvador Ibarra* | .8889 | 2047 | |
| 43 | Rafael Perez | .8889 | 2008 | |
| 43 | Doug Bennett | .8889 | 2047 | |
| 43 | Luis Antonio Núñez | .8889 | 2033 | |
| 43 | Oliver Perez | .8889 | 2006 | |
| 43 | Roland Noyola* | .8889 | 2022 | |
| 50 | Mike Beasley# | .8846 | 2056 | |
| 50 | Mike Beasley# | .8846 | 2050 | |
| 50 | Leon Rodriguez* | .8846 | 2021 | |
| 50 | Bill Powers | .8846 | 2038 | |
| 50 | Salvador Ibarra* | .8846 | 2042 | |
| 50 | Mark Prior* | .8846 | 2012 | |
| 56 | Mark Prior* | .8824 | 2017 | |
| 56 | Gerald Donaldson* | .8824 | 2015 | |
| 56 | Kris Honel | .8824 | 2008 | |
| 56 | Roy Halladay | .8824 | 2004 | |
| 60 | Salvador Ibarra* | .8800 | 2046 | |
| 60 | Neill Oulton* | .8800 | 2043 | |
| 62 | Tom Seaver* | .8750 | 1981 | |
| 63 | Júlio Palma# | .8710 | 2056 | |
| 64 | David Cone | .8696 | 1988 | |
| 64 | C.C. Sabathia | .8696 | 2015 | |
| 64 | Thad Morris | .8696 | 2018 | |
| 64 | Roger Clemens* | .8696 | 2001 | |
| 64 | José Álvarez# | .8696 | 2061 | |
| 64 | Jorge Vázquez# | .8696 | 2063 | |
| 70 | Higinio Bueno | .8667 | 2033 | |
| 71 | Ching Lung Lo | .8636 | 2011 | |
| 71 | Leland Patterson | .8636 | 2033 | |
| 73 | Tony Paylor* | .8621 | 2043 | |
| 74 | Félix Mora | .8571 | 2049 | |
| 74 | Ernesto Nava# | .8571 | 2061 | |
| 74 | Thomas Diamond* | .8571 | 2008 | |
| 74 | Mike Beasley# | .8571 | 2055 | |
| 74 | Michael Bell | .8571 | 2033 | |
| 74 | Ron Parker# | .8571 | 2064 | |
| 74 | António Flores | .8571 | 2042 | |
| 74 | Ambrose Key | .8571 | 2053 | |
| 74 | J.D. Durbin | .8571 | 2007 | |
| 74 | Roger Clemens* | .8571 | 1986 | |
| 74 | Emílio Mendoza# | .8571 | 2057 | |
| 74 | Derek Lowe | .8571 | 2004 | |
| 86 | Teinosuke Maekawa* | .8529 | 2031 | |
| 87 | Tony Paylor* | .8519 | 2040 | |
| 87 | Desmond Greenwood | .8519 | 2056 | |
| 87 | Pedro Martinez* | .8519 | 1999 | |
| 87 | Rubén Rodríguez# | .8519 | 2056 | |
| 87 | Thomas Diamond* | .8519 | 2012 | |
| 92 | Howard Aldana | .8500 | 2013 | |
| 92 | John Smoltz | .8500 | 1998 | |
| 92 | Mike Hill# | .8500 | 2059 | |
| 92 | Andy Merritt# | .8500 | 2059 | |
| 92 | Thomas Diamond* | .8500 | 2020 | |
| 92 | Andy Merritt# | .8500 | 2054 | |
| 92 | Juan Rodríguez | .8500 | 2047 | |
| 92 | Jon Switzer | .8500 | 2011 | |
| 100 | Edwin Jackson* | .8485 | 2012 |
