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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Tony Lazzeri# | .3925 | 1922-1941 | |
| 2 | George Scales# | .3867 | 1922-1941 | |
| 3 | Bud Connolly | .3594 | 1922-1928 | |
| 4 | Martín Dihigo# | .3523 | 1924-1941 | |
| 5 | Bobby Doerr# | .3502 | 1934-1941 | |
| 6 | Joe Gordon# | .3491 | 1936-1941 | |
| 7 | Art Garibaldi# | .3342 | 1931-1941 | |
| 8 | Frank Warfield | .3339 | 1921-1934 | |
| 9 | Newt Allen | .3286 | 1923-1940 | |
| 10 | Jimmie Reese | .3239 | 1924-1940 | |
| 11 | Freddie Muller# | .2975 | 1928-1941 |
