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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Juho Rämö# | .3687 | 1952-1959 | |
| 2 | Phil Vinson# | .3683 | 1954-1956 | |
| 3 | Lopahin Wetkin# | .3651 | 1952-1959 | |
| 4 | Fiers Emdin# | .3592 | 1952-1959 | |
| 5 | Fedor Totiev# | .3549 | 1952-1959 | |
| 6 | Felix Davletkildeev | .3494 | 1953-1957 | |
| 7 | Jin-woo Sima# | .3487 | 1952-1955 | |
| 8 | Zivojin Subasic# | .3394 | 1952-1959 | |
| 9 | Helge Kabachnik# | .3341 | 1953-1958 | |
| 10 | Dimitrie Hrubaru# | .3286 | 1952-1959 | |
| 11 | Thadzieusz Marczewski# | .3210 | 1952-1959 | |
| 12 | Stefan Wedyaskin# | .3164 | 1952-1959 | |
| 13 | Özbek Hanîminönü# | .3153 | 1952-1956 | |
| 14 | Bohdan Zaborov | .3108 | 1952-1956 | |
| 15 | Yasha Aranovich | .3073 | 1952-1955 | |
| 16 | Jurg Alesik# | .3067 | 1953-1956 | |
| 17 | Jae-chun Kang | .2944 | 1952-1954 | |
| 18 | Kay Hess# | .2937 | 1956-1959 |
