Steroids in Sports: A Concise History of Their Use and Effects
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7. AL Detroit Tigers 1938 58 Hank Greenberg 10 AL Philadelphia Athletics 1932 58 Jimmie Foxx 9 AL New York Yankees 1921 59 Babe Ruth 8 AL New York Yankees 1927 60 Babe Ruth 7 AL New York Yankees 1961 61 Roger Maris 6 NL Chicago Cubs 1999 63 Sammy Sosa 5 NL Chicago Cubs 2001 64 Sammy Sosa 4 NL St. Louis Cardinals 1999 65 Mark McGwire 3 NL Chicago Cubs 1998 66 Sammy Sosa 2 NL St. Louis Cardinals 1998 70 Mark McGwire 1 NL San Francisco Giants 2001 73 Barry Bonds Rank League Team Year Home Runs Name Home Runs Single Season Leaders 'Top 100'