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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Martín Madrigal | 1.082 | 1964-1967 | |
| 2 | Tim Hill | 1.058 | 1943-1948 | |
| 3 | Tommy Rigsby | 1.051 | 1955-1958 | |
| 4 | Javier Cienfuegos | 1.047 | 1960-1963 | |
| 5 | Arturo Reyna | 1.045 | 1950-1953 | |
| 6 | José Miranda | 1.043 | 1977-1981 | |
| 7 | Monte Brando | 1.034 | 1963-1967 | |
| 8 | Alejandro Aquino | 1.030 | 1959-1962 | |
| 9 | Greg Wilcox# | 1.028 | 1986-1989 | |
| 10 | Carl Campbell | 1.027 | 1928-1931 | |
| 11 | Clinton Walker | 1.026 | 1919-1923 | |
| 12 | Juan Carlos Velásquez | 1.023 | 1968-1971 | |
| 12 | Andreas Aaberg | 1.023 | 1956-1959 | |
| 12 | Felipe Durán | 1.023 | 1952-1955 | |
| 15 | Tony Daley | 1.021 | 1957-1960 | |
| 15 | José Delgado | 1.021 | 1912-1916 | |
| 17 | José Paresa# | 1.018 | 1973-1977 | |
| 18 | Michael Booker# | 1.017 | 1985-1988 | |
| 19 | Phil Bradshaw# | 1.016 | 1981-1984 | |
| 20 | Gustavo Quintero | 1.013 | 1936-1939 | |
| 21 | Floyd Roberts | 1.011 | 1935-1938 | |
| 22 | Mauro Júlio# | 1.009 | 1982-1985 | |
| 23 | Cecil Carter | 1.006 | 1952-1955 | |
| 23 | Félix Méndez | 1.006 | 1956-1959 | |
| 25 | Howard Richardson | 1.001 | 1972-1974 | |
| 26 | Eric Gómez | 0.999 | 1919-1922 | |
| 26 | Jorge Méndez | 0.999 | 1964-1967 | |
| 28 | José Sandoval | 0.998 | 1944-1947 | |
| 29 | Jeremy Wilson | 0.996 | 1932-1935 | |
| 30 | Joe Clark | 0.995 | 1966-1969 | |
| 31 | Eugene Adams | 0.990 | 1964-1968 | |
| 32 | Fernando López | 0.989 | 1940-1943 | |
| 33 | Joseph Brandt | 0.988 | 1928-1932 | |
| 34 | Pedro Ortíz | 0.987 | 1955-1958 | |
| 34 | Lonnie Paul# | 0.987 | 1977-1980 | |
| 36 | Joe Sanders | 0.984 | 1947-1950 | |
| 37 | Dan Long | 0.982 | 1951-1954 | |
| 37 | Joe Taylor | 0.982 | 1927-1930 | |
| 39 | Winston Wells | 0.981 | 1944-1947 | |
| 40 | Johnny Lambert | 0.980 | 1926-1929 | |
| 41 | Silas Gray | 0.977 | 1967-1970 | |
| 41 | Carl Kessler | 0.977 | 1975-1978 | |
| 41 | Jed Donovan | 0.977 | 1948-1951 | |
| 44 | Ricardo Guerrero# | 0.976 | 1985-1988 | |
| 45 | Ryan Townsley# | 0.975 | 1987-1990 | |
| 45 | Félix Vázquez | 0.975 | 1942-1945 | |
| 47 | Eddie Brandt | 0.974 | 1961-1964 | |
| 47 | Xavier Medina | 0.974 | 1911-1916 | |
| 49 | Ramón Borges# | 0.972 | 1982-1985 | |
| 50 | Kent Poe | 0.971 | 1943-1946 | |
| 51 | Bob Cobb# | 0.970 | 1978-1981 | |
| 52 | Phil Gardner | 0.965 | 1915-1918 | |
| 52 | Juan Castro | 0.965 | 1936-1939 | |
| 54 | Trey Goodwin# | 0.954 | 1971-1974 | |
| 54 | Harold Williams | 0.954 | 1960-1963 | |
| 56 | Sergio Sánchez | 0.951 | 1940-1942 | |
| 57 | Pedro Sánchez | 0.921 | 1960-1963 |
