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The UFC star would need to pull off a major upset.
The boxer is undefeated in the ring—and the gym.
Will the Conor McGregor superfight ever happen?
Nevada's Athletic Commission confirms the talks.
The 49-year-old is still a badass.
Is the UFC champ trolling Floyd Mayweather?
He moves like he's Neo from 'The Matrix.'
Talk about sportsmanship.