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| All-Time Batting Leaders | |||
| Single Season Slugging Percentage Leaders | |||
| Rank | Player | SLG | Season |
| 1. | Barry Bonds | .863 | 2001 |
| 2. | Babe Ruth | .849 | 1920 |
| 3. | Babe Ruth | .845 | 1921 |
| 4. | Barry Bonds | .812 | 2004 |
| 5. | Barry Bonds | .799 | 2002 |
| 6. | Babe Ruth | .772 | 1927 |
| 7. | Babe Ruth | .767 | 1923 |
| 8. | Lou Gehrig | .765 | 1927 |
| 9. | Rogers Hornsby | .756 | 1925 |
| 10. | Mark McGwire | .752 | 1998 |
| 11. | Jeff Bagwell | .750 | 1994 |
| 12. | Barry Bonds | .749 | 2003 |
| Jimmie Foxx | .749 | 1932 | |
| 14. | Mark McGwire | .746 | 2000 |
| 15. | Babe Ruth | .739 | 1924 |
| Active players shown in CAPS | Last Updated: Fri May 25 08:15:05 EDT 2012 | |||
