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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Marcos Rodríguez# | .4449 | 1887-1891 | |
| 2 | Antonio Rodríguez# | .4433 | 1889-1891 | |
| 3 | Raúl Rodríguez# | .4384 | 1887-1891 | |
| 4 | Antonio Torres# | .4366 | 1888-1890 | |
| 5 | Roger Banfield# | .4055 | 1894-1897 | |
| 6 | Héctor Muñoz# | .4009 | 1888-1895 | |
| 7 | Haffy Beattie# | .3995 | 1891-1897 | |
| 8 | Alfonso Ortega# | .3993 | 1887-1891 | |
| 9 | Jesús Rivera# | .3963 | 1889-1897 | |
| 10 | Sebastián Galicia# | .3919 | 1889-1894 | |
| 11 | Florián Romero | .3887 | 1889-1893 | |
| 12 | Balduino Soto# | .3793 | 1893-1897 | |
| 13 | Larry Murphy | .3763 | 1891-1894 | |
| 14 | Matt McKeen# | .3756 | 1894-1897 | |
| 15 | Orlando Silva | .3754 | 1889-1891 | |
| 15 | Chris Hill# | .3754 | 1892-1897 | |
| 17 | Belerofonte Calderón# | .3732 | 1890-1897 | |
| 18 | Romualdo Rodríguez# | .3671 | 1891-1897 | |
| 19 | Arturo Vigil# | .3657 | 1892-1897 | |
| 20 | Kelly Harte# | .3616 | 1891-1897 | |
| 21 | Luis Espinoza# | .3602 | 1889-1896 | |
| 22 | Dan Fitzgerald | .3400 | 1892-1895 |
