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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OPS | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Jeff Giles | 1.2425 | 1950-1953 | |
| 2 | Wyatt Newman | 1.1405 | 1954-1957 | |
| 3 | Jon Murphy | 1.0597 | 1949-1952 | |
| 4 | Tommy Gove | 1.0137 | 1949-1952 | |
| 5 | Chuck Bowman | .9894 | 1962-1965 | |
| 6 | Eugene Henderson | .9653 | 1959-1962 | |
| 7 | Rafael Guerrero | .9639 | 1959-1962 | |
| 8 | Brennan MacFadden | .9392 | 1927-1930 | |
| 9 | Howard Lawrence | .9110 | 1937-1940 | |
| 10 | Cody Ruffin | .9092 | 1949-1952 | |
| 11 | Rick Cook | .8773 | 1954-1957 | |
| 12 | Mauro Rodríguez# | .7723 | 1974-1977 |
