 |
|
|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | WHIP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Kent Wilson | 1.09 | 1926-1929 | |
| 2 | Phil Stout | 1.24 | 1938-1941 | |
| 3 | Sam George | 1.26 | 1922-1925 | |
| 4 | Jesús Béltre | 1.30 | 1916-1920 | |
| 5 | Christopher Perrin | 1.35 | 1936-1941 | |
| 6 | Patrick Brown | 1.37 | 1925-1928 | |
| 7 | Mario Valenzuela | 1.39 | 1926-1928 | |
| 8 | Tony Díaz | 1.40 | 1911-1920 | |
| 9 | Doug Blackwell | 1.45 | 1962-1975 | |
| 9 | John Flowers | 1.45 | 1915-1918 | |
| 11 | Wilbur Patterson | 1.46 | 1948-1959 | |
| 11 | Killian McKieson | 1.46 | 1936-1941 | |
| 13 | Ryuichi Honda | 1.47 | 1959-1963 | |
| 14 | Jesús Rivero | 1.48 | 1958-1971 | |
| 14 | António Pérez | 1.48 | 1920-1923 | |
| 16 | José Fuentes | 1.49 | 1975-1980 | |
| 17 | Pat Chandler | 1.50 | 1940-1950 | |
| 18 | Manuel Pujols | 1.51 | 1944-1950 | |
| 19 | Ryan Verrall | 1.52 | 1920-1924 | |
| 20 | Bryan Humble | 1.53 | 1921-1928 | |
| 20 | Daniel Harriman | 1.53 | 1936-1941 | |
| 20 | António García | 1.53 | 1958-1971 | |
| 23 | Ken Coker | 1.54 | 1930-1938 | |
| 23 | Andre Robinson | 1.54 | 1971-1984 | |
| 25 | Brad Ramírez | 1.55 | 1968-1976 | |
| 26 | Wayne Glendenning | 1.56 | 1976-1980 | |
| 27 | Cipriano Castro | 1.57 | 1977-1986 | |
| 27 | Francisco Cruz | 1.57 | 1962-1970 | |
| 27 | Tony Barrios | 1.57 | 1945-1949 | |
| 30 | Yannick Goor | 1.62 | 1942-1945 | |
| 30 | Andy Thornton | 1.62 | 1960-1965 | |
| 32 | James Lapthorne | 1.63 | 1975-1990 | |
| 32 | Juan Sánchez | 1.63 | 1957-1961 | |
| 34 | Tony Segura | 1.65 | 1958-1963 | |
| 35 | Jorge Pińa | 1.66 | 1978-1981 | |
| 35 | Esteban Toromoreno# | 1.66 | 1978-1989 | |
| 37 | Jiro Watanabe | 1.73 | 1975-1985 | |
| 37 | Cody Johnston | 1.73 | 1965-1970 | |
| 39 | Itri Olu | 1.77 | 1981-1990 | |
| 39 | Jason Garrett# | 1.77 | 1985-1990 | |
| 41 | Toby Pugsley | 1.78 | 1948-1963 | |
| 42 | Fernando Morales | 1.79 | 1945-1958 | |
| 43 | Toby Kelley | 1.80 | 1949-1954 | |
| 43 | José Trujillo | 1.80 | 1928-1932 | |
| 45 | Salvador Muńóz | 1.83 | 1937-1940 | |
| 46 | Jesús Vega | 2.15 | 1953-1957 |
