Sammy Sosa sets a major league record with his third three-homer game of the season, hitting #’s 56, 57, and 58 off Astros’ rookie Tim Redding. Slammin’ Sammy also accomplished the feat against the Rockies (August 9) and the Brewers (August 22).

On September 23, 2001 — Sammy Sosa sets a major league record with his third three-homer game of the season, hitting #’s 56, 57, and 58 off Astros’ rookie Tim Redding. Slammin’ Sammy also accomplished the feat against the Rockies (August 9) and the Brewers (August 22) becoming the first player in history to hit three home runs in a game three times in a season. Despite his trio of blasts, the Cubs still lose to the Astros, 7 – 6.