(This story first appeared at usatoday.com .) Rocky Marciano Jr. said his father’s revered career boxing record of 49-0 should not be at risk Saturday night with Floyd Mayweather expected to improve to 50-0 against Conor McGregor . Marciano called the bout between Mayweather (49-0 boxing), one of the most skilled fighters in boxing history, and McGregor (21-3 MMA, 9-1 UFC), the MMA star making his pro boxing debut, an “exhibition match.” “No matter what happens, I don’t think it should go towards Mayweather’s professional career (record), win or lose,” Marciano Jr.
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