 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Art Henshaw# | 1.055 | 1890 | |
| 2 | Tom Connelly# | 1.015 | 1890 | |
| 3 | Ephraim Willard# | 0.995 | 1890 | |
| 4 | Irving Sprague# | 0.946 | 1890 | |
| 5 | Cal Yancey# | 0.881 | 1890 |
