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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Bill Hughes# | 1.115 | 1887-1890 | |
| 2 | Jesse Pallard# | 1.070 | 1893-1897 | |
| 3 | Cory Peddle# | 1.058 | 1893-1897 | |
| 4 | Julio César Salazar# | 1.044 | 1888-1893 | |
| 5 | Fernando Gutiérrez# | 1.039 | 1895-1897 | |
| 6 | Darrell Manning | 1.035 | 1892-1894 | |
| 6 | Álvaro López | 1.035 | 1887-1891 | |
| 8 | Gerardo Gómez# | 1.034 | 1895-1897 | |
| 8 | Nicolás Martínez# | 1.034 | 1891-1897 | |
| 10 | Rafael Villanueva# | 1.031 | 1892-1894 | |
| 10 | Zacarías García# | 1.031 | 1889-1891 | |
| 12 | Farón Rivera# | 1.027 | 1892-1897 | |
| 13 | Apolodoro Rodríguez | 1.026 | 1889-1891 | |
| 14 | Joe Gunson | 1.024 | 1887-1890 | |
| 15 | Pyotr Orlovsky# | 1.023 | 1890-1897 | |
| 16 | D.J. Lestage# | 1.017 | 1895-1897 | |
| 17 | Gerardo Longoria | 1.015 | 1888-1891 | |
| 18 | Luis Machado# | 1.012 | 1888-1891 | |
| 19 | Roberto Gómez# | 1.011 | 1893-1897 | |
| 20 | Kelly Harte# | 1.007 | 1891-1897 | |
| 21 | Atanasio Castro# | 1.001 | 1889-1892 | |
| 22 | Rich Davis | 1.000 | 1887-1889 | |
| 23 | Nicanor Montero# | 0.999 | 1890-1892 | |
| 24 | Martín Corral# | 0.998 | 1895-1897 | |
| 25 | Foster Parson# | 0.995 | 1895-1897 | |
| 26 | Laureano Sánchez# | 0.994 | 1889-1893 | |
| 27 | Tanner North | 0.990 | 1888-1889 | |
| 28 | Paul Tinkham | 0.987 | 1887-1889 | |
| 29 | Scott Dougan# | 0.985 | 1893-1897 | |
| 29 | Charlie Berry | 0.985 | 1887-1888 | |
| 31 | Benedicto Figueroa# | 0.978 | 1889-1890 | |
| 32 | Ramón Pereira# | 0.976 | 1894-1897 | |
| 33 | Ángel Narváez# | 0.974 | 1893-1897 | |
| 34 | Dusty Hadaway# | 0.972 | 1895-1897 | |
| 34 | Esquilo Villagómez# | 0.972 | 1892-1897 | |
| 36 | Belerofonte Calderón# | 0.971 | 1890-1897 | |
| 37 | Héctor Ayala# | 0.966 | 1888-1894 | |
| 38 | Randy Clark | 0.950 | 1887-1888 | |
| 39 | Sócrates Rivera# | 0.944 | 1889-1891 |
