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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Lefty O'Doul | .4094 | 1921-1937 | |
| 2 | Mule Suttles# | .4079 | 1922-1930 | |
| 3 | Earl Averill# | .3984 | 1926-1941 | |
| 4 | Ike Boone | .3912 | 1926-1932 | |
| 5 | Wally Berger# | .3862 | 1927-1941 | |
| 6 | Bob Johnson# | .3779 | 1929-1941 | |
| 7 | Chick Hafey | .3729 | 1924-1938 | |
| 8 | Irvin Hufft | .3662 | 1926-1935 | |
| 9 | George Quellich | .3338 | 1923-1932 |
