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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Tinbits Blue | 1.108 | 1920-1929 | |
| 2 | Sterling Sverdloff | 1.095 | 1954-1961 | |
| 3 | Juan Carlos Rodríguez | 1.090 | 1918-1930 | |
| 4 | Jorge Durán | 1.088 | 1914-1925 | |
| 5 | Andrés Nava | 1.076 | 1959-1974 | |
| 6 | Mathew Baker | 1.067 | 1938-1943 | |
| 6 | Germán Hernández | 1.067 | 1955-1965 | |
| 8 | Román Robles | 1.065 | 1979-1987 | |
| 9 | Ricardo Pineda | 1.063 | 1937-1945 | |
| 10 | Flint Andrews | 1.061 | 1942-1949 | |
| 11 | Ken McDonald | 1.055 | 1913-1919 | |
| 12 | Wayne Cramphorn | 1.053 | 1927-1933 | |
| 13 | Eiske Jiménez | 1.050 | 1972-1987 | |
| 14 | Wop Ouwens# | 1.044 | 1976-1991 | |
| 15 | Raúl Martínez | 1.040 | 1969-1980 | |
| 16 | Carlos Helásquez | 1.038 | 1964-1983 | |
| 16 | Javier Gutiérrez# | 1.038 | 1981-1990 | |
| 18 | Fernando Silva | 1.037 | 1951-1955 | |
| 19 | Arnim Wille | 1.036 | 1960-1977 | |
| 20 | Bob Wheeler | 1.034 | 1975-1979 | |
| 21 | Jesús García | 1.033 | 1914-1922 | |
| 22 | Charlie Butler | 1.032 | 1977-1987 | |
| 22 | Lance Kaiser | 1.032 | 1943-1956 | |
| 24 | Will Fullerton | 1.031 | 1924-1937 | |
| 25 | Rafael Martínez* | 1.029 | 1927-1943 | |
| 26 | Trevor Trottier | 1.024 | 1969-1976 | |
| 27 | Ricardo Ortíz | 1.023 | 1959-1970 | |
| 28 | Zak Wilson# | 1.021 | 1979-1991 | |
| 29 | Hadde Ippel | 1.019 | 1958-1976 | |
| 30 | Gnegon Byczek | 1.017 | 1974-1981 | |
| 31 | Matthew Martin | 1.015 | 1977-1986 | |
| 32 | Carlos López# | 1.014 | 1980-1991 | |
| 33 | Ben MacGruder | 1.013 | 1911-1918 | |
| 34 | Jeffrey Garland | 1.012 | 1977-1987 | |
| 35 | Santiago Mejía | 1.008 | 1979-1987 | |
| 36 | Kai Bignold | 1.007 | 1943-1946 | |
| 37 | Joe Walker | 1.005 | 1977-1982 | |
| 38 | Luis Tirado | 1.004 | 1922-1931 | |
| 39 | Urs Kiemle | 1.001 | 1970-1984 | |
| 40 | Steven Powell# | 0.998 | 1982-1989 | |
| 41 | Bill Collier* | 0.995 | 1926-1942 | |
| 41 | Radislav Mares | 0.995 | 1975-1983 | |
| 43 | Diego Barrios# | 0.992 | 1980-1991 | |
| 44 | Ari Frece | 0.990 | 1932-1952 | |
| 45 | Mario Verbiest# | 0.988 | 1978-1991 | |
| 45 | Shane Bradley | 0.988 | 1926-1936 | |
| 47 | Esteban Contreras# | 0.987 | 1982-1990 | |
| 48 | Alfredo Guzmán | 0.984 | 1954-1960 | |
| 49 | Aaron Murray | 0.980 | 1970-1979 | |
| 50 | Immel Dini | 0.978 | 1971-1978 | |
| 51 | Herb Jackson* | 0.969 | 1911-1927 | |
| 51 | Flint O'Herlihy# | 0.969 | 1978-1990 | |
| 53 | Gah-fat Huang# | 0.967 | 1983-1988 | |
| 54 | Charlie Moore | 0.966 | 1911-1917 | |
| 55 | José Bonilla | 0.963 | 1930-1936 | |
| 55 | Almas bin Da'ud# | 0.963 | 1980-1990 | |
| 57 | Gary Lee | 0.958 | 1939-1951 | |
| 58 | Mike Rúbio | 0.957 | 1955-1967 | |
| 59 | Hilel bin Kaseem | 0.950 | 1968-1977 | |
| 60 | Jason Henry | 0.948 | 1971-1987 | |
| 60 | Ron Torres | 0.948 | 1942-1953 | |
| 62 | Arthur Martínez | 0.945 | 1947-1957 | |
| 63 | Elmer Young | 0.944 | 1978-1988 | |
| 64 | Vincente Dávila | 0.943 | 1965-1979 | |
| 65 | Howard Wagner | 0.936 | 1935-1942 | |
| 66 | Michael Richter | 0.928 | 1968-1976 | |
| 67 | Stan Watts | 0.927 | 1949-1955 | |
| 68 | Christian Cook# | 0.916 | 1978-1990 | |
| 69 | Tony Daley | 0.913 | 1961-1978 | |
| 70 | Callum Bourke | 0.903 | 1954-1974 |
