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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Eb Hartog# | .4074 | 1953-1957 | |
| 2 | Motka Davletkildeev# | .3770 | 1952-1954 | |
| 3 | Chris Hobbs# | .3747 | 1952-1957 | |
| 4 | Carlos Castillo# | .3586 | 1953-1958 | |
| 5 | Shonosuke Iwaki# | .3584 | 1953-1959 | |
| 6 | Glen Cook# | .3521 | 1952-1955 | |
| 7 | Otte van Baardewijk# | .3488 | 1953-1959 |
