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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Carroll Kline | .398 | 2017-2023 | |
| 2 | Roberto López | .385 | 2020-2027 | |
| 3 | Júlio Mateo# | .384 | 2023-2027 | |
| 4 | Ricardo Pacheco# | .382 | 2023-2032 | |
| 5 | Jack Mason | .379 | 2015-2025 | |
| 5 | Senior Pond# | .379 | 2029-2032 | |
| 7 | Spencer Curry | .376 | 2015-2024 | |
| 8 | Satoshi Terada# | .375 | 2023-2027 | |
| 9 | Will Thomas | .371 | 2017-2025 | |
| 10 | Byron Isaacson# | .369 | 2026-2031 | |
| 11 | Roy Williams | .365 | 2019-2026 | |
| 12 | Tony Sánchez | .359 | 2015-2019 | |
| 12 | Dennis Clifton | .359 | 2021-2028 | |
| 14 | Ron Peterson | .354 | 2021-2026 | |
| 15 | Lawrence Washington | .348 | 2015-2018 | |
| 16 | Tony Quintana | .343 | 2019-2027 | |
| 16 | Hiwahikeiki Noelani | .343 | 2019-2027 | |
| 18 | Jim Burch# | .341 | 2025-2032 | |
| 18 | Jesús Álvarez# | .341 | 2023-2027 | |
| 20 | Ricky Payton# | .340 | 2027-2031 | |
| 21 | Micheal Murdoch | .337 | 2016-2024 | |
| 22 | Jonah Moody | .324 | 2015-2027 | |
| 22 | Francis Kelly# | .324 | 2022-2031 | |
| 22 | Juan Salinas# | .324 | 2022-2031 | |
| 25 | Claudio Mendoza | .319 | 2017-2026 |
