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LAS VEGAS, NV - SEPTEMBER 16: Sugar Ray Leonard, left, fights Thomas Hearns, right, in a scheduled fifteen round WBC, WBA welterweight unification title fight on September 16, 1981 at Caesars Palace in Las Vegas, Nevada. Sugar Ray Leonard won the fight with a technical Knockout in the 14th round. (Photo by Focus on Sport/Getty Images)

LAS VEGAS, NV - SEPTEMBER 16: Sugar Ray Leonard, left, fights Thomas Hearns, right, in a scheduled fifteen round WBC, WBA welterweight unification title fight on September 16, 1981 at Caesars Palace in Las Vegas, Nevada. Sugar Ray Leonard won the fight with a technical Knockout in the 14th round. (Photo by Focus on Sport/Getty Images)