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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Yusuke Honda | 1.044 | 1974-1984 | |
| 2 | Darryl Hill | 1.041 | 1977-1982 | |
| 3 | Francisco Cedeño | 1.038 | 1976-1989 | |
| 4 | John Dee | 1.028 | 1935-1941 | |
| 5 | Marius Bourdin# | 1.026 | 1986-1990 | |
| 6 | George Greenhill | 0.998 | 1936-1949 | |
| 7 | Teka Mubarak | 0.995 | 1982-1989 | |
| 8 | Pedro Andrade | 0.980 | 1959-1977 | |
| 9 | José Reyes | 0.967 | 1956-1966 |
