Long time fight fan Joe Rogan reveals the importance of genetics in combat sports success using Mike Tyson as an example.

Mike Tyson's workout routine in his prime shaped his boxing career and helped him become the world's undisputed heavyweight champion. Tyson's relentless training forged a physique and mindset ...

A topless Mike Tyson proved he is in phenomenal shape for ... That's whack. I say in your prime you couldn't draw a million people, man. What are you talking – you couldn't sell out an arena.

He went on to make nine defences of his heavyweight crown, picking up the undisputed championship along the way with wins ...