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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Postseason Leaderboard |
|---|---|---|---|---|
| 1 | Aftab Mengal# | .610 | 2020-2025 | |
| 2 | Katsumoto Mori# | .423 | 2025-2026 | |
| 3 | Tamotsu Yamashita# | .404 | 2023-2026 | |
| 4 | Hoang Kieu# | .381 | 2022-2024 | |
| 5 | Fu-po Tseng | .354 | 2025-2026 | |
| 6 | Yasujiro Iitsuka | .339 | 2025-2026 | |
| 7 | Morihiro Yamasaki# | .310 | 2024-2027 | |
| 8 | Teruo Suzuki | .229 | 2025-2026 |
