Heavyweight legend Mike Tyson has shut down a potential charity bout with Sonny Bill Williams as an “insult to boxing” after the New Zealand rugby player turned-boxer expressed interest in facing ‘the baddest man on the planet’.

Rumors have recently swirled over a ring return for the youngest man ever to win the world heavyweight championship.

It’s over three decades since Tyson, then going by the nickname ‘Kid Dynamite’, sliced through Trevor Berbick in two rounds to win the WBC belt aged just 20 years 4 months and 22 days.

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But the Brooklynite, who turns 54 in June, sparked talk of a comeback when he went viral smashing the pads in a recent Instagram post, and has since received offers to box bare knuckle and a $650,000 offer from Australian promoter Brian Amatruda to fight Down Under.

Mike has shut down the Sonny Bill Williams talks.  

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