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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Onesíforo Maldonado# | 1.241 | 1889-1892 | |
| 2 | Guarionex Castañeda | 1.128 | 1888-1892 | |
| 3 | Matt Lindsay# | 1.119 | 1894-1897 | |
| 4 | Darío Marrero | 1.113 | 1889-1891 | |
| 4 | Roberto Guerrero# | 1.113 | 1891-1897 | |
| 6 | Nick Nichols | 1.099 | 1887-1890 | |
| 7 | Dermott Smith# | 1.087 | 1895-1897 | |
| 8 | Evan Black | 1.078 | 1887-1890 | |
| 9 | Daniel Hernández# | 1.076 | 1888-1892 | |
| 10 | Hernán Vitela# | 1.075 | 1891-1897 | |
| 11 | Josh Zimmerman# | 1.058 | 1892-1897 | |
| 12 | Ángel Pérez# | 1.055 | 1890-1894 | |
| 13 | Próspero Galarza# | 1.046 | 1889-1897 | |
| 14 | Martín Lara# | 1.038 | 1888-1890 | |
| 15 | Zach Mansfield# | 1.035 | 1894-1897 | |
| 16 | Ginés Arguello# | 1.031 | 1890-1896 | |
| 17 | Brian Bull# | 1.023 | 1891-1897 | |
| 18 | Pánfilo Valenzuela# | 1.021 | 1894-1897 | |
| 19 | Bill Dugan | 1.018 | 1887-1890 | |
| 20 | Jude Drinkwater# | 1.017 | 1891-1894 | |
| 20 | Heriberto Calle | 1.017 | 1889-1893 | |
| 22 | Rogelio Martínez# | 1.015 | 1893-1897 | |
| 22 | Rodolfo Garza# | 1.015 | 1889-1895 | |
| 24 | Conor Miller# | 1.013 | 1891-1895 | |
| 25 | José Marín | 1.011 | 1888-1895 | |
| 26 | Helio Trujillo# | 1.007 | 1889-1897 | |
| 27 | Lorenzo Sánchez# | 1.001 | 1890-1894 | |
| 27 | Tub Welch# | 1.001 | 1889-1897 | |
| 29 | Alejandro Hichez | 0.999 | 1887-1890 | |
| 30 | Ryan Zaitsoff# | 0.995 | 1894-1897 | |
| 31 | Héctor Carrillo# | 0.989 | 1890-1894 | |
| 32 | Gastón Jaramillo# | 0.988 | 1894-1897 | |
| 33 | Fulgencio Cruz# | 0.972 | 1890-1897 | |
| 34 | Juan García# | 0.970 | 1893-1897 | |
| 35 | Jared Ragsdale# | 0.969 | 1894-1897 | |
| 36 | Antonio de León# | 0.964 | 1888-1891 | |
| 37 | Tulio Gutiérrez# | 0.945 | 1891-1897 | |
| 38 | Jocko Halligan# | 0.940 | 1889-1897 | |
| 39 | Zacarías Pérez# | 0.928 | 1887-1894 | |
| 40 | Eduardo Vásquez# | 0.913 | 1891-1893 | |
| 41 | Getulio García# | 0.912 | 1889-1895 | |
| 42 | Pedro Álvarez# | 0.896 | 1891-1893 | |
| 43 | Greg Steward# | 0.880 | 1892-1897 | |
| 44 | Shane Thomas# | 0.857 | 1895-1897 | |
| 45 | Luis Carrera# | 0.830 | 1888-1895 | |
| 46 | Tug Arundel | 0.805 | 1887-1891 |
