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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Donato Marciano# | 1.162 | 1954 | |
| 2 | Ryan Gray# | 1.114 | 1957 | |
| 3 | Huibert van Duren# | 1.104 | 1954 | |
| 3 | Immanuil Leschevsky# | 1.104 | 1954 | |
| 3 | Ryan Gray# | 1.104 | 1954 | |
| 6 | Vuk Djukanovic# | 1.056 | 1954 | |
| 7 | Sima Zujovic# | 1.046 | 1954 | |
| 7 | Cibor Zurek# | 1.046 | 1954 | |
| 9 | Pavle Uskokovic# | 1.039 | 1954 | |
| 9 | Weiner Stolle# | 1.039 | 1954 | |
| 11 | Dejan Mihailovic# | 1.034 | 1957 | |
| 11 | Clemens Martin# | 1.034 | 1957 | |
| 11 | Vasilii Wolygin# | 1.034 | 1957 | |
| 11 | Arso Babic# | 1.034 | 1957 | |
| 11 | Huibert van Duren# | 1.034 | 1957 | |
| 16 | Leon Cooper | 1.025 | 1954 | |
| 17 | Riza Berisha | 1.004 | 1954 | |
| 18 | Vasilii Wolygin# | 1.000 | 1954 | |
| 19 | Roger Guillet# | 0.989 | 1957 | |
| 20 | Leonid Tretyakov# | 0.980 | 1957 | |
| 21 | Mario van Dinteren# | 0.977 | 1957 | |
| 22 | Pavle Uskokovic# | 0.974 | 1957 | |
| 23 | Girolamo Iuliano# | 0.970 | 1957 | |
| 24 | Kalevi Kangas# | 0.965 | 1957 | |
| 25 | Byron Ward | 0.960 | 1957 | |
| 25 | Mario van Dinteren# | 0.960 | 1954 | |
| 27 | Féilim Graham# | 0.957 | 1954 | |
| 28 | Riza Berisha | 0.955 | 1957 | |
| 29 | Brad Daly# | 0.940 | 1957 | |
| 30 | Roger Guillet# | 0.876 | 1954 | |
| 31 | Cibor Zurek# | 0.871 | 1957 | |
| 32 | Gavrilo Adzovic# | 0.828 | 1954 | |
| 33 | Tuure Meriluoto | 0.736 | 1954 |
