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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Colby Greene* | .4697 | 1911-1926 | |
| 2 | Raúl Escobar | .4111 | 1961-1974 | |
| 3 | Jorge Rodríguez | .3975 | 1919-1928 | |
| 4 | Billy Chuter* | .3937 | 1915-1935 | |
| 5 | Pepe Fuentes* | .3865 | 1922-1941 | |
| 6 | Loy Fasciano | .3789 | 1923-1931 | |
| 7 | Mitch Davenport# | .3783 | 1979-1988 | |
| 8 | Zak Wilson# | .3781 | 1979-1991 | |
| 9 | Tim Hill | .3742 | 1950-1960 | |
| 10 | Ed Smith# | .3694 | 1984-1991 | |
| 11 | Hadde Ippel | .3657 | 1958-1976 | |
| 12 | Herb Jackson* | .3653 | 1911-1927 | |
| 13 | Edward Cruz# | .3652 | 1976-1990 | |
| 14 | Cahern Walcker | .3606 | 1970-1984 | |
| 15 | Eugene Henderson | .3587 | 1968-1974 | |
| 16 | Carlos Román | .3582 | 1955-1966 | |
| 17 | Krink Medlin | .3548 | 1937-1953 | |
| 18 | Roberto Chávez | .3543 | 1968-1984 | |
| 19 | Emílio Rivera | .3484 | 1933-1947 | |
| 20 | Mike Anderson | .3483 | 1968-1983 | |
| 21 | Jorge Félix | .3468 | 1971-1980 | |
| 22 | Albert Vincent | .3462 | 1970-1978 | |
| 23 | John Davis | .3455 | 1927-1933 | |
| 24 | Harry Bent | .3446 | 1939-1953 | |
| 25 | Masruq bin Dawud | .3439 | 1974-1982 | |
| 26 | Manuel Gonzáles | .3438 | 1943-1949 | |
| 27 | Derek Dupree | .3436 | 1915-1926 | |
| 28 | Alfredo Bulat | .3434 | 1953-1969 | |
| 29 | Wen-hua Lundgren | .3362 | 1941-1952 | |
| 30 | Will Fullerton | .3344 | 1924-1937 | |
| 31 | José Andrade | .3318 | 1952-1961 | |
| 32 | Mike Rúbio | .3309 | 1955-1967 | |
| 33 | Scotty Ash# | .3226 | 1980-1991 | |
| 34 | Daniel Peña | .3201 | 1973-1982 | |
| 35 | Ernesto Pagán | .3192 | 1977-1989 | |
| 36 | Carlos Martínez | .3175 | 1936-1951 | |
| 37 | Knud Middelkoop | .3170 | 1924-1934 | |
| 38 | Mauro Rodríguez# | .2786 | 1983-1990 |
