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| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Leonard Ziegler | 1.037 | 1877-1885 | |
| 2 | Gene Styles# | 1.024 | 1886-1890 | |
| 3 | Irving Sullivan# | 1.019 | 1877-1885 | |
| 4 | Gene Neumann# | 1.009 | 1887-1890 | |
| 5 | Otis Wentworth# | 1.005 | 1878-1889 | |
| 6 | Herbert Simpson# | 0.994 | 1883-1886 | |
| 7 | Abel Prescott# | 0.991 | 1876-1887 | |
| 8 | Percy Kendrick# | 0.977 | 1888-1889 | |
| 9 | Jack Pinkerton | 0.973 | 1876-1883 | |
| 10 | Elmer Manuel | 0.959 | 1879-1885 | |
| 11 | Tom Anderson# | 0.946 | 1877-1890 |
