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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OPS | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Mathias Albertoni* | 1.1577 | 1947-1950 | |
| 2 | Martin Jordan | 1.1353 | 1962-1965 | |
| 3 | Austin Johnson | 1.1001 | 1950-1953 | |
| 4 | Robert Cox | .9975 | 1933-1936 | |
| 5 | Félix Mansanarez | .9760 | 1938-1941 | |
| 6 | Johnny Rodríguez | .9624 | 1937-1940 | |
| 7 | Stan O'Rourke | .9573 | 1937-1940 | |
| 8 | Francisco Hidalgo | .9512 | 1927-1930 | |
| 9 | Joe Pérez# | .9178 | 1975-1978 | |
| 10 | Ricardo Morales | .9037 | 1963-1966 | |
| 11 | Clayton Leonard | .9022 | 1934-1937 | |
| 12 | Luis Esparza | .9010 | 1937-1940 | |
| 13 | Millard Montgomery | .9008 | 1965-1968 | |
| 14 | Curt Brown | .8879 | 0-0 | |
| 15 | Octávio Ortíz | .8853 | 1951-1954 | |
| 16 | Albert Martínez | .8627 | 1969-1973 | |
| 17 | León Osorio | .8384 | 1927-1931 | |
| 18 | Elton Kenney | .8368 | 1934-1937 | |
| 19 | Artie Oliveira | .8314 | 1945-1948 | |
| 20 | Derek Wood | .7290 | 1958-1961 | |
| 21 | Greg Butler# | .6936 | 1980-1983 | |
| 22 | John Eckard | .6744 | 1970-1974 |
