Most Homers In a Season By a Hall of Famer:
60, by Babe Ruth (1927)
59, by Babe Ruth (1921)
58, by Hank Greenberg (1938) and Jimmie Foxx (1932)
56, by Hack Wilson (1930)
54, by Mickey Mantle (1961), Ralph Kiner (1949) and Babe Ruth (1920 and 1928)
52, by Willie Mays (1965) and Mickey Mantle (1956)
Those top two Ruth seasons are eighth and ninth on the full most-homers-in-a-season list. Bonds, Maris, two McGwire seasons and three Sosa seasons are ahead of the Babe.