McGwire–Sosa

TOP TEN LIST

The Mark McGwire–Sammy Sosa home run chase simultaneously revived baseball while becoming a turning point in sports regarding the prevalence of performance-enhancing drugs. The record books would change as well as baseball itself. Here is a list of the all-time single-season home run leaders.

1. Barry Bonds—73 (2001)
2. Mark McGwire—70 (1998)
3. Sammy Sosa—66 (1998)
4. Mark McGwire—65 (1999)
5. Sammy Sosa—64 (2001)
6. Sammy Sosa—63 (1999)
7. Roger Maris—61 (1961)
8. Babe Ruth—60 (1927)
9. Babe Ruth—59 (1921)
10. (tie) Hank Greenberg—58 (1938) / Jimmie Foxx (1932) / Mark McGwire (1997) / Ryan Howard (2006)