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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | José Maldonado | .3849 | 2009-2020 | |
| 2 | John Copestake | .3700 | 2007-2016 | |
| 3 | Giomar Matteotti | .3648 | 2027-2035 | |
| 4 | Richard Burrell | .3614 | 2020-2029 | |
| 5 | Tong-yeop Chang | .3562 | 2021-2034 | |
| 6 | Aaron Harris | .3532 | 2020-2032 | |
| 7 | Tetsui Takahashi# | .3458 | 2034-2040 | |
| 8 | José Barajas# | .3398 | 2022-2040 | |
| 9 | José Carlos Martínez# | .3323 | 2027-2032 | |
| 10 | Cipriano Medina | .3274 | 2028-2033 | |
| 11 | José Quintana | .3243 | 2023-2033 | |
| 12 | Mike Sánchez# | .3147 | 2033-2039 | |
| 13 | Ramón Clemente# | .3103 | 2028-2038 | |
| 14 | Gerald Shirley# | .3073 | 2029-2039 | |
| 15 | John Davis | .3004 | 2030-2036 | |
| 16 | Héctor Bruno | .3002 | 2027-2039 | |
| 17 | Jeremy Hill | .2996 | 2023-2037 | |
| 18 | Bernardo Rodríguez# | .2940 | 2034-2040 | |
| 19 | Ángel Alejo | .2887 | 2026-2039 | |
| 20 | Bryan Beamish# | .2596 | 2029-2040 |
