On August 10, 1971 , At Metropolitan Stadium in Minneapolis, Minnesota Twins slugger Harmon Killebrew becomes the 10th the 500-home run club. “Killer” hits his 500th and 501st home runs in a 5-4 loss to the Baltimore Orioles . His historic homer in the first inning off Mike Cuellar ‘Killer’s’ two ro
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Source: Historical record