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| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Bob Bailey# | .4643 | 1890 | |
| 2 | Jack Cornwell# | .4052 | 1890 | |
| 3 | Oliver Cabot# | .3958 | 1890 | |
| 4 | Vic Jaeger# | .3615 | 1890 | |
| 5 | Otis Boone# | .3438 | 1890 | |
| 6 | Walt Tuttle# | .2969 | 1890 |
