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| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Otis Wentworth | .3658 | 1878-1903 | |
| 2 | Art Brogan# | .3571 | 1892-1907 | |
| 3 | Nate Galvin | .3546 | 1887-1905 | |
| 4 | Cal Middleton | .3450 | 1880-1900 | |
| 5 | Elmer McKinzy | .3406 | 1885-1903 | |
| 6 | Chester Noonan | .3393 | 1884-1899 | |
| 7 | Elmer Aubert | .3380 | 1885-1904 | |
| 8 | Jean Beckwith# | .3348 | 1890-1907 | |
| 9 | Oliver Menzies | .3333 | 1891-1905 | |
| 10 | Ed Monahan | .3266 | 1887-1905 | |
| 11 | Cornelius Quimby | .3263 | 1878-1897 | |
| 12 | Vic Nesbitt# | .3195 | 1890-1907 | |
| 13 | Otto Keating | .3148 | 1888-1905 | |
| 14 | Claude Heaton | .3140 | 1889-1906 | |
| 15 | Chester Ashby# | .3073 | 1892-1899 | |
| 16 | George Ammons# | .3053 | 1901-1907 | |
| 17 | Kid O'Neil# | .2811 | 1901-1907 |
