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| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Ludwig Braun# | .4970 | 1890 | |
| 2 | Lou Kerr# | .3573 | 1890 | |
| 3 | Ed Gilligan# | .3555 | 1890 | |
| 4 | Silas Ambrose# | .3205 | 1890 | |
| 5 | Ben Bishop# | .2665 | 1890 | |
| 6 | Edgar Wilson# | .2402 | 1890 |
