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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OOBP | YEAR | Open Postseason Leaderboard |
|---|---|---|---|---|
| 1 | Randy Hamilton | .271 | 2015-2015 | |
| 2 | Seong-rae An# | .279 | 2026-2033 | |
| 3 | Sam Hatt | .283 | 2021-2022 | |
| 4 | Ramón Gómez# | .286 | 2023-2032 | |
| 4 | Max Grant | .286 | 2019-2034 | |
| 6 | David White | .298 | 2015-2023 | |
| 7 | Tom Collins | .318 | 2017-2026 | |
| 8 | José Contreras | .323 | 2014-2020 | |
| 9 | Felipe Moreno | .324 | 2021-2028 | |
| 10 | Frank Cronshaw | .333 | 2020-2027 | |
| 11 | Grant Huffman# | .339 | 2032-2034 | |
| 12 | Matt Nolan# | .340 | 2028-2034 | |
| 12 | Douglas Pantall# | .340 | 2028-2034 | |
| 14 | Jason Atkinson | .358 | 2023-2026 | |
| 15 | Mehmood Dar# | .377 | 2020-2021 | |
| 15 | David Bryan | .377 | 2012-2025 | |
| 17 | George Clay | .398 | 2016-2024 | |
| 18 | Jayakar Ramadin | .404 | 2020-2028 | |
| 19 | James Stevens# | .409 | 2032-2034 |
