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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | PCT | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | José Rivera | .9812 | 1915-1919 | |
| 2 | Miguel Hernández | .9811 | 1937-1942 | |
| 3 | Ronnie Moore | .9763 | 1911-1916 | |
| 4 | Anthony Williams | .9736 | 1912-1918 | |
| 5 | Arvid van Leeuwen | .9674 | 1936-1943 | |
| 6 | Clay Anderson | .9655 | 1956-1961 | |
| 7 | Jeff Davis | .9547 | 1912-1916 | |
| 8 | Shigeaki Mochizuki# | .9427 | 1986-1989 |
