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Undisputed champions in boxing: Terence Crawford makes history becoming undisputed in second weight class - CBSSports.com
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Devin haney believes boxing should learn something from MMA Matchmaking also hails top UFC fighters for not letting their losses hurt their legacy Via sports keeper photos via ESPN Ringside Instagram. :
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Floyd Mayweather poses with his belts as undefeated champion says 'It took 19 years but they'll be talking about it forever' | Daily Mail Online
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