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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Leovigildo Londoño | 1.059 | 1905-1915 | |
| 2 | Arturo Valenzuela# | 1.050 | 1906-1908 | |
| 2 | Dylan Howell | 1.050 | 1905-1914 | |
| 4 | Raúl Echevarría# | 1.044 | 1904-1907 | |
| 5 | Steve Collins# | 1.041 | 1905-1915 | |
| 5 | Pandolfo Vielma | 1.041 | 1904-1911 | |
| 5 | Alarico Carreón# | 1.041 | 1906-1909 | |
| 8 | Orran Lewis# | 1.040 | 1904-1915 | |
| 9 | Jesús Villalobos# | 1.038 | 1904-1915 | |
| 10 | Taylor Cleaver | 1.037 | 1906-1915 | |
| 11 | Armando Castro# | 1.035 | 1905-1915 | |
| 11 | Horacio Colón | 1.035 | 1904-1913 | |
| 11 | Ossan Bruntoun# | 1.035 | 1906-1915 | |
| 14 | Jaime Romano# | 1.034 | 1906-1915 | |
| 15 | Sófocles Díaz# | 1.031 | 1904-1915 | |
| 16 | René Pedroza# | 1.030 | 1905-1915 | |
| 16 | Eugenio Murillo# | 1.030 | 1907-1915 | |
| 18 | M. Izquierdo# | 1.029 | 1904-1915 | |
| 19 | Elijah Mann | 1.027 | 1904-1915 | |
| 20 | Braulio Martín# | 1.026 | 1910-1915 | |
| 21 | Antonio María García | 1.025 | 1904-1907 | |
| 21 | Javier Retaña | 1.025 | 1905-1915 | |
| 21 | Nehemías Piñeda# | 1.025 | 1906-1915 | |
| 21 | Toomey McLoughlin# | 1.025 | 1907-1915 | |
| 21 | Chris Gridley# | 1.025 | 1905-1915 | |
| 26 | Chris Kaiser# | 1.021 | 1905-1915 | |
| 26 | Hernando Medina# | 1.021 | 1911-1915 | |
| 28 | Jim Moriarty | 1.018 | 1905-1914 | |
| 29 | Micah James# | 1.015 | 1905-1915 | |
| 30 | Carter Holgate | 1.012 | 1908-1914 | |
| 31 | Herminio Valadez | 1.011 | 1904-1912 | |
| 32 | Roano Gómez# | 1.009 | 1904-1915 | |
| 33 | Ángel Morales | 1.008 | 1904-1911 | |
| 34 | Timoteo Contreras# | 1.007 | 1907-1915 | |
| 35 | Tristán Lemus# | 1.006 | 1906-1915 | |
| 35 | Amadís López# | 1.006 | 1905-1915 | |
| 37 | Ángel Pérez# | 0.996 | 1909-1915 | |
| 38 | Lane Komperda# | 0.995 | 1905-1915 | |
| 39 | Richard Compton | 0.994 | 1907-1915 | |
| 40 | Christopher Dyerson# | 0.988 | 1905-1915 | |
| 41 | Niso León# | 0.985 | 1906-1915 | |
| 41 | Pete Browning | 0.985 | 1904-1906 | |
| 43 | Cristián Márquez# | 0.982 | 1905-1910 | |
| 44 | Juan Moreno | 0.979 | 1904-1911 | |
| 45 | Gabriel Martínez# | 0.978 | 1905-1915 | |
| 45 | Rafael Osuna# | 0.978 | 1913-1915 | |
| 45 | Scott Yarn | 0.978 | 1905-1914 | |
| 48 | Héctor Ríos# | 0.973 | 1905-1915 | |
| 49 | Vicente Esquivel# | 0.970 | 1904-1915 | |
| 49 | Amílcar Ortega# | 0.970 | 1906-1908 | |
| 51 | Balbino Moreno# | 0.968 | 1909-1915 | |
| 52 | Uriel Álvarez# | 0.962 | 1906-1915 | |
| 52 | Camilo Reyes# | 0.962 | 1907-1915 | |
| 54 | Jesús García# | 0.960 | 1905-1915 | |
| 55 | Diego Valenzuela# | 0.953 | 1906-1911 | |
| 56 | Felipe Uribe# | 0.951 | 1909-1915 | |
| 57 | Sam Thompson | 0.947 | 1904-1906 | |
| 58 | Ángel Vargas# | 0.944 | 1905-1915 | |
| 58 | Alejandro Hernández# | 0.944 | 1906-1915 | |
| 60 | Natán Quezada# | 0.939 | 1906-1915 |
