 |
|
|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | ERA | YEAR | Open Postseason Leaderboard |
|---|---|---|---|---|
| 1 | Christy Mathewson# | 0.000 | 1900-1913 | |
| 2 | Danny Maxwell# | 1.361 | 1908-1913 | |
| 3 | Toad Ramsey | 1.421 | 1905-1910 | |
| 4 | Jake Campbell# | 1.655 | 1905-1913 | |
| 5 | Adam Briggs# | 1.835 | 1908-1913 | |
| 6 | Frank Groves# | 2.678 | 1904-1910 | |
| 7 | Addie Joss# | 2.700 | 1904-1913 | |
| 8 | Deacon Phillippe | 3.068 | 1899-1906 | |
| 9 | Brent Mattern# | 3.375 | 1904-1913 | |
| 10 | Jesse Burkett | 3.566 | 1903-1912 | |
| 11 | Bob Black | 3.743 | 1904-1912 | |
| 12 | Pink Hawley# | 4.065 | 1901-1913 |
