 |
|
|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | ERA | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Alfonso Román | 2.789 | 1930-1936 | |
| 2 | Nils van der Mijl* | 2.869 | 1925-1927 | |
| 3 | Jimmy Vanbuskirk | 3.020 | 1922-1927 | |
| 4 | Albert Moreno | 3.025 | 1930-1937 | |
| 5 | Salvador Cortéz | 3.422 | 1946-1950 | |
| 6 | Bert Bowen | 3.446 | 1921-1927 | |
| 7 | Tomás Luna | 3.451 | 1922-1926 | |
| 8 | Harold Hughes | 3.458 | 1918-1926 | |
| 9 | Palmer Crippen | 3.560 | 1918-1927 | |
| 10 | Taylor Miskin | 3.564 | 1920-1924 | |
| 11 | Pedro Bernal | 3.582 | 1930-1935 | |
| 12 | Ricardo Ortíz | 3.653 | 1916-1925 | |
| 13 | Jon Tosewell | 3.705 | 1943-1950 | |
| 14 | Lukas Le Carré | 3.800 | 1941-1947 | |
| 14 | Francisco Otero | 3.800 | 1922-1929 | |
| 16 | Ian Shawcross | 3.813 | 1921-1926 | |
| 17 | Jonathan Florido | 3.845 | 1943-1950 | |
| 18 | Clark Long | 3.873 | 1925-1928 | |
| 19 | Austin Arbuckle | 3.879 | 1921-1924 | |
| 20 | Paul Pasquet | 3.921 | 1937-1943 | |
| 21 | Luke Moore | 3.970 | 1930-1934 | |
| 22 | Taddesse Babu | 4.024 | 1979-1986 | |
| 23 | Takechi Narita | 4.025 | 1943-1953 | |
| 24 | Jude Spurgeon | 4.041 | 1960-1971 | |
| 25 | António Marín | 4.084 | 1938-1948 | |
| 26 | Sid Grandage | 4.129 | 1960-1970 | |
| 27 | Colton Pruvost | 4.147 | 1928-1933 | |
| 28 | Willie Simpson | 4.189 | 1916-1920 | |
| 29 | Alfredo Cervantes | 4.243 | 1919-1923 | |
| 30 | Wasi Esam | 4.271 | 1975-1988 | |
| 31 | Greg Gray | 4.385 | 1944-1954 | |
| 32 | Paul Altena | 4.389 | 1931-1943 | |
| 33 | Lyonechka Elmeev | 4.413 | 1975-1988 | |
| 34 | Finlay Morrison | 4.452 | 1921-1935 | |
| 35 | Sebastian Matts | 4.462 | 1946-1958 | |
| 36 | Fernando Flores | 4.463 | 1957-1961 | |
| 37 | Gabriel González | 4.527 | 1935-1939 | |
| 38 | Timotheus Kirsch | 4.561 | 1975-1988 | |
| 38 | Lawson Gillin | 4.561 | 1914-1918 | |
| 40 | Florian Rainmayr | 4.576 | 1962-1974 | |
| 41 | Armando Alvarado | 4.677 | 1931-1936 | |
| 42 | Bobby Legrow | 4.783 | 1914-1918 | |
| 43 | Louis Milsom | 4.836 | 1911-1918 | |
| 44 | Morris Torkington | 4.872 | 1931-1935 | |
| 45 | José Alemán# | 4.919 | 1983-1990 | |
| 46 | John Graham | 4.946 | 1961-1968 | |
| 47 | León Osorio | 4.977 | 1962-1970 | |
| 48 | Mendel Dis | 4.995 | 1973-1987 | |
| 49 | Juan Solís | 5.051 | 1961-1976 | |
| 50 | Danel Schroter | 5.163 | 1928-1934 | |
| 51 | António Reyes | 5.184 | 1974-1990 | |
| 52 | Luis Moreno | 5.237 | 1946-1955 | |
| 53 | Goris Pijlswaard | 5.243 | 1946-1951 | |
| 54 | Juan Vargas | 5.262 | 1956-1962 | |
| 55 | Dylan Mence | 5.461 | 1957-1967 | |
| 56 | Émile Morin | 5.546 | 1968-1974 | |
| 57 | Ben Doig | 5.751 | 1952-1958 | |
| 58 | Joy-shan Zhu# | 5.770 | 1977-1991 | |
| 59 | Jesús Pérez | 5.888 | 1957-1962 | |
| 60 | Ángelo Hernández | 6.002 | 1952-1956 | |
| 61 | Bartolo Ruíz# | 6.004 | 1982-1990 | |
| 62 | Mario Guerra# | 6.066 | 1978-1987 | |
| 63 | Andrés Rodríguez | 6.232 | 1950-1958 | |
| 64 | Wilson Sánchez# | 6.235 | 1982-1990 | |
| 65 | Mauro Fernández | 6.515 | 1979-1989 | |
| 66 | Francisco Aguilar | 6.897 | 1958-1965 | |
| 67 | Brian Pallard | 7.680 | 1949-1955 |
