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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | PCT | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Derek Hunter | .9935 | 1956-1959 | |
| 2 | Paul Byers | .9931 | 1947-1950 | |
| 3 | Todd Adams | .9930 | 1962-1966 | |
| 4 | Willie Moore | .9925 | 1957-1960 | |
| 5 | Baltwin Young | .9921 | 1968-1971 | |
| 5 | Clancy Baldwin | .9921 | 1964-1967 | |
| 7 | Bernie García | .9919 | 1947-1950 | |
| 8 | Ánibal Martínez | .9915 | 1964-1967 | |
| 8 | Ron Hamm | .9915 | 1959-1962 | |
| 10 | Sadaharu Batista | .9913 | 1970-1973 | |
| 10 | Dave Sheppard | .9913 | 1969-1972 | |
| 12 | Bill Harvey | .9904 | 1958-1961 | |
| 13 | John Underwood | .9900 | 1960-1963 | |
| 13 | Henry Brown# | .9900 | 1973-1976 | |
| 15 | Nathan Howell | .9898 | 1948-1951 | |
| 16 | Samuel Pope | .9893 | 1952-1955 | |
| 17 | José Chávez | .9892 | 1959-1962 | |
| 17 | Chris Godfrey | .9892 | 1944-1947 | |
| 19 | Carlos Peńa# | .9891 | 1986-1989 | |
| 19 | Mark Quested | .9891 | 1952-1954 | |
| 21 | Perry Dean | .9884 | 1951-1954 | |
| 22 | Lúcio Fernández | .9881 | 1954-1957 | |
| 23 | Vinny Gonzáles | .9877 | 1963-1966 | |
| 24 | Kelly MacHardy | .9873 | 1966-1969 | |
| 25 | Mike Farmer | .9872 | 1973-1976 | |
| 25 | Conner McKnight | .9872 | 1944-1947 | |
| 27 | Brandon Williamson | .9862 | 1966-1969 | |
| 28 | Emerson McDormand | .9861 | 1957-1960 | |
| 28 | Bill Kelley | .9861 | 1969-1972 | |
| 30 | Devin Adams | .9859 | 1911-1914 | |
| 30 | Kevin Keller | .9859 | 1936-1939 | |
| 32 | Francisco Nava# | .9856 | 1977-1980 | |
| 33 | Larry Adams | .9853 | 1948-1951 | |
| 34 | Miguel Angel Torres | .9846 | 1940-1943 | |
| 34 | Jeffrey Jenkins | .9846 | 1943-1946 | |
| 36 | Joey Wybergh | .9827 | 1955-1958 | |
| 36 | Carter Hodge | .9827 | 1966-1969 | |
| 36 | David De Menses | .9827 | 1951-1954 | |
| 39 | Shi-kai Jiu | .9822 | 1918-1921 | |
| 39 | Román Torres | .9822 | 1974-1977 | |
| 41 | Pedro Ramírez | .9817 | 1943-1946 | |
| 42 | Júlio Torres# | .9816 | 1977-1980 | |
| 43 | Juan Ramírez | .9815 | 1928-1932 | |
| 44 | Fernando Colón | .9805 | 1938-1941 | |
| 44 | Maximino Albertoni | .9805 | 1935-1938 | |
| 46 | Jiao-long Hsia | .9797 | 1934-1937 | |
| 47 | José Galló | .9791 | 1925-1929 | |
| 47 | Ricardo Rivera | .9791 | 1911-1915 | |
| 49 | George Hatfield | .9780 | 1940-1943 | |
| 50 | Tim Murdock | .9777 | 1928-1931 | |
| 51 | Alfredo Fajardo | .9769 | 1931-1933 | |
| 52 | Juan Pińa | .9754 | 1944-1947 | |
| 53 | Clayton Meyer | .9748 | 1933-1936 | |
| 54 | Francisco Maldonado | .9743 | 1930-1933 | |
| 55 | António Ojeda | .9722 | 1917-1920 | |
| 56 | Dan Hummel | .9720 | 1918-1921 | |
| 57 | Lane Smith | .9703 | 1926-1930 | |
| 58 | Rodrigo Puente | .9697 | 1940-1943 | |
| 59 | Gary Lazarus | .9684 | 1926-1929 | |
| 60 | Jorge Colón | .9654 | 1932-1935 | |
| 61 | Robert Palmer | .9586 | 1917-1920 |
