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RICHFIELD, OH - MARCH 24: World heavyweight champion boxer Muhammad Ali throws a puch at challenger Chuck Wepner during a heavyweight title fight on March 24, 1975 at the Richfield Coliseum in Richfield, Ohio. Ali retained the title in a 15-round decision. (Photo by Tony Tomsic/Getty Images)

RICHFIELD, OH - MARCH 24:  World heavyweight champion boxer Muhammad Ali throws a puch at challenger Chuck Wepner during a heavyweight title fight on March 24, 1975 at the Richfield Coliseum in Richfield, Ohio. Ali retained the title in a 15-round decision. (Photo by Tony Tomsic/Getty Images)