 |
|
|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | ERA | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Émile Lucas# | 2.348 | 1987-1990 | |
| 2 | Mitchell Hapgood | 2.924 | 1911-1914 | |
| 3 | Wayne Manuel | 3.217 | 1928-1931 | |
| 4 | Jeremiah Buffy | 3.343 | 1941-1945 | |
| 5 | Joost Hekman | 3.903 | 1941-1943 | |
| 6 | Tom Keels | 4.082 | 1927-1930 | |
| 7 | Don Makeever | 4.438 | 1939-1941 | |
| 8 | Payton Bowden | 4.504 | 1911-1915 | |
| 9 | Clifton Scott | 4.735 | 1932-1935 | |
| 10 | Flipp Usachenko | 5.172 | 1972-1976 | |
| 11 | Bodil Lorenz | 5.655 | 1939-1943 | |
| 12 | Seif Abdul-Hakam | 5.712 | 1977-1981 | |
| 13 | Kai Hill | 6.622 | 1933-1936 | |
| 14 | Ferry de Gunst | 6.715 | 1933-1936 |
