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| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OPS | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Nate Galvin# | .8497 | 1887-1889 | |
| 2 | Otis Wentworth# | .8098 | 1878-1889 | |
| 3 | Cal Middleton# | .7828 | 1880-1889 | |
| 4 | Elmer Aubert# | .6935 | 1885-1890 | |
| 5 | Cornelius Quimby# | .6834 | 1878-1890 | |
| 6 | Milton Beach# | .6599 | 1879-1883 | |
| 7 | Glenn Fittan | .6388 | 1878-1889 | |
| 8 | Moses Benjamin | .6049 | 1879-1887 | |
| 9 | Eddie Jackson | .5075 | 1882-1887 |
