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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Shou-chien Xuan | .4313 | 1982-1988 | |
| 2 | Kalervo Reini# | .4224 | 1980-1985 | |
| 3 | Norm Garner | .4024 | 1977-1984 | |
| 4 | Pedro Domínguez# | .3970 | 1983-1989 | |
| 5 | Dharr Hakem# | .3962 | 1977-1989 | |
| 6 | Lúcio Sánchez# | .3732 | 1983-1988 | |
| 7 | Jesús Herrera | .3644 | 1964-1974 | |
| 8 | Dong-kyoon Pak | .3585 | 1975-1988 | |
| 9 | Freddi Kirchenbauer# | .3562 | 1976-1987 | |
| 10 | Niel Tarnovius | .3528 | 1961-1970 | |
| 11 | Alan Glasspool | .3474 | 1930-1944 | |
| 12 | Mo Wentworth | .3405 | 1912-1919 | |
| 13 | António Ramírez# | .3080 | 1984-1989 | |
| 14 | Tong Peng | .2951 | 1911-1917 |
