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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OPS | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Matt Rolland* | .9053 | 1921-1939 | |
| 2 | Petros Piatkowski* | .8922 | 1967-1979 | |
| 3 | Arthur Mathan* | .8920 | 1916-1933 | |
| 4 | Bob Beauchamp | .8784 | 1911-1922 | |
| 5 | Bernhard Funk | .8502 | 1935-1946 | |
| 6 | Riley Newcombe* | .8362 | 1925-1943 | |
| 7 | Dahal Rowe | .8159 | 1924-1940 | |
| 8 | Frode Bomas* | .8143 | 1955-1972 | |
| 9 | Roscoe Rand | .8078 | 1924-1934 | |
| 10 | Tamasaburo Abe | .8012 | 1947-1962 | |
| 11 | Juan Colón | .7942 | 1958-1971 | |
| 12 | Jorge Medrano* | .7923 | 1921-1937 | |
| 13 | Andrés Alfaro | .7879 | 1974-1984 | |
| 14 | Carroll Orkney | .7846 | 1954-1965 | |
| 15 | Kane Frankland | .7830 | 1916-1928 | |
| 16 | Kuang-an Ow | .7815 | 1947-1960 | |
| 17 | Tulu Dunde# | .7812 | 1974-1990 | |
| 18 | Riley Heaman | .7740 | 1944-1960 | |
| 19 | Hyung-gwang Sim | .7695 | 1951-1965 | |
| 20 | Cristo Gutiérrez | .7641 | 1924-1930 | |
| 21 | Bronson Bostock | .7578 | 1911-1917 | |
| 22 | Henry Johnston# | .7566 | 1979-1990 | |
| 23 | Harry Coleman | .7547 | 1926-1940 | |
| 24 | Michel Piat | .7530 | 1940-1953 | |
| 25 | Quentin Cardinale | .7490 | 1936-1946 | |
| 26 | Kane Howard | .7457 | 1955-1961 | |
| 27 | Daniel Turpin | .7452 | 1915-1923 | |
| 28 | Máximo Orosco | .7445 | 1967-1972 | |
| 29 | Vasily Jarovtsev | .7415 | 1964-1978 | |
| 30 | Héctor Ortíz# | .7300 | 1981-1990 | |
| 31 | Millard Montgomery | .7110 | 1973-1988 | |
| 32 | Brenden Howson | .7096 | 1957-1967 | |
| 33 | Kristian Sittig | .7062 | 1931-1935 | |
| 34 | Rikiya Sakurai | .7045 | 1961-1966 | |
| 35 | Yves Hoarau | .7011 | 1911-1918 | |
| 36 | Dean Marchand | .6951 | 1911-1925 | |
| 37 | Mike Lyteman | .6529 | 1929-1935 | |
| 38 | Tabat Komen# | .6451 | 1975-1990 | |
| 39 | Wolde-Selassie Ramadhani | .6440 | 1969-1977 | |
| 40 | Ramón García | .6418 | 1934-1946 | |
| 41 | André Martin | .6169 | 1943-1956 |
