Pulling no punches, verbally or otherwise, the boxing champ gets to know funnyman Ricky Gervais and Oscar nominee Mickey Rourke in the last of the specials.
In the first of two knockout specials, the Hayemaker invites comedian Michael McIntyre, pop star Justin Bieber and rapper Dizzee Rascal into the ring.
The Hayemaker invites celebrities into the ring.
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