1950, Jim Nash (Albany), 21 Wins, 6 Losses, 3.04 ERA
 1951, Dutch Ruether (Louisville), 20 Wins, 6 Losses, 3.65 ERA
 1954, Claude Hendrix (Las Vegas), 21 Wins, 4 Losses, 2.34 ERA
 1954, Lynn Mcglothen (Phoenix), 21 Wins, 8 Losses, 3.23 ERA
 1955, Robin Roberts (Memphis), 20 Wins, 10 Losses, 3.45 ERA
 1956, Jim Merritt (Memphis), 20 Wins, 10 Losses, 2.64 ERA
 1956, Claude Hendrix (Las Vegas), 22 Wins, 4 Losses, 2.19 ERA
 1957, Sandy Koufax (Pittsburgh), 22 Wins, 7 Losses, 3.26 ERA
 1959, Robin Roberts (Memphis), 20 Wins, 11 Losses, 2.98 ERA
 1959, Todd Colegrove (Daytona), 22 Wins, 3 Losses, 2.10 ERA
 1959, Fernando Valenzuela (Las Vegas), 20 Wins, 6 Losses, 1.64 ERA
 1960, Sandy Koufax (Pittsburgh), 23 Wins, 5 Losses, 2.58 ERA
 1962, Fergie Jenkins (Albany), 22 Wins, 5 Losses, 2.28 ERA
 1963, Sandy Koufax (Pittsburgh), 21 Wins, 7 Losses, 3.00 ERA
 1964, Todd Colegrove (Daytona), 20 Wins, 11 Losses, 2.33 ERA
 1965, Robin Roberts (Memphis), 20 Wins, 6 Losses, 2.34 ERA
 1965, Todd Colegrove (Daytona), 23 Wins, 5 Losses, 2.85 ERA
 1966, Christy Mathewson (Albany), 20 Wins, 8 Losses, 2.43 ERA
 1967, Nolan Ryan (Milwaukee), 21 Wins, 5 Losses, 1.52 ERA
 1967, Christy Mathewson (Albany), 25 Wins, 4 Losses, 1.83 ERA
 1968, Early Wynn (St.Paul), 21 Wins, 7 Losses, 2.48 ERA
 1969, Bret Saberhagen (Newark), 20 Wins, 10 Losses, 2.89 ERA
 1969, Luis Tiant Sr (El Paso), 20 Wins, 8 Losses, 2.42 ERA