Sosa's 20th June homer
D-backs @ CubsJune 30, 1998 | 00:01:13
6/30/98: Sammy Sosa slugs his 20th home run in the month of June, the most ever hit by a player in a single month
6/30/98: Sammy Sosa slugs his 20th home run in the month of June, the most ever hit by a player in a single month