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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Luis Rodríguez | .3660 | 2013-2024 | |
| 2 | Kameron Guangorena | .3592 | 2033-2050 | |
| 3 | Masafumi Kawaguchi# | .3571 | 2041-2054 | |
| 4 | Enrique Pérez* | .3438 | 2013-2029 | |
| 5 | Ben Ross | .3426 | 2014-2026 | |
| 6 | Freddy Díaz | .3406 | 2038-2050 | |
| 7 | Fernando Ramírez | .3314 | 2023-2035 | |
| 8 | Kelly Brown | .3278 | 2015-2027 | |
| 9 | Calvin Wilms | .3277 | 2032-2043 | |
| 10 | Mario Castillo | .3219 | 2023-2039 | |
| 11 | Jake Collins | .3215 | 2016-2023 | |
| 12 | Tim Stinson | .3179 | 2033-2043 | |
| 13 | Ángelo Delgado | .3160 | 2034-2048 | |
| 14 | Félix Fernández | .3083 | 2043-2052 | |
| 15 | Pedro Cruz | .3080 | 2013-2019 | |
| 16 | Gerardo Castillo | .2949 | 2025-2034 | |
| 17 | Fortunato Rasquinha | .2886 | 2033-2045 | |
| 18 | Tony Martínez | .2847 | 2020-2027 | |
| 19 | Gustavo Cortéz | .2787 | 2023-2035 | |
| 20 | Dana O'Quinlevan# | .2778 | 2043-2054 |
