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The two-time UFC champion blasted single-discipline fighters.
Train like a champ for a kick-ass lower half.
McGregor vs. Mayweather is inching closer to reality.
Get a six-pack and a strong core.
The boxing legend pegs June as a fight date.
The fighter was hospitalized ahead of the weigh-in.
He expects McGregor to fight the next UFC lightweight winner.
The UFC star would need to pull off a major upset.