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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OOBP | YEAR | Open Postseason Leaderboard |
|---|---|---|---|---|
| 1 | Juan Vado | .2047 | 2039-2050 | |
| 2 | Lucas Rose# | .2333 | 2056-2058 | |
| 3 | Emílio Pérez | .2628 | 2038-2046 | |
| 4 | Jorge García | .2638 | 2036-2051 | |
| 5 | Manuel Peña | .2650 | 2030-2050 | |
| 6 | Domingo Otero | .2661 | 2035-2044 | |
| 7 | Javier Mendoza | .2690 | 2023-2029 | |
| 8 | Sven Kahn | .2742 | 2034-2050 | |
| 9 | C.J. Ischade | .2774 | 2036-2050 | |
| 10 | Iván Benítez | .2778 | 2023-2028 | |
| 10 | José Peña | .2778 | 2026-2033 | |
| 12 | Dan O'Manning | .2867 | 2026-2030 | |
| 13 | Esteban López | .2910 | 2025-2026 | |
| 14 | Júlio Santos | .2923 | 2027-2033 | |
| 15 | Ulrico Ciocchi | .2960 | 2024-2031 | |
| 15 | Charlie Lipinski# | .2960 | 2051-2053 | |
| 17 | Gilberto Morales | .2985 | 2028-2029 | |
| 18 | Armando Jiménez | .3065 | 2025-2025 | |
| 19 | Rafael Fabián | .3165 | 2027-2030 | |
| 20 | Mark Andrade | .3185 | 2025-2027 | |
| 21 | Carlos Gutiérrez | .3268 | 2025-2028 | |
| 22 | Terry White | .3284 | 2027-2033 | |
| 23 | José Montoya | .3291 | 2039-2054 | |
| 24 | Ricardo Maldonado | .3333 | 2027-2030 | |
| 25 | Xavier Silva | .3355 | 2026-2028 | |
| 26 | Dave Taylor | .3358 | 2027-2033 | |
| 27 | Álex Nieves | .3425 | 2024-2028 | |
| 28 | Jesús Bravo | .3490 | 2022-2030 | |
| 29 | Ken Davis | .3595 | 2019-2028 | |
| 30 | Jesús Hernández | .3706 | 2026-2029 | |
| 31 | Carl Potter | .3862 | 2029-2031 |
