
Johnny Knoxville once landed on his head and almost died after he was struck by a bull, attacked by a yak and almost blown up on a rocket.
The stunt man knows how to absorb a beating -- and the “Jackass” star had the shattered bones and concussions to prove it. But as for dishing out some punishment? The 52-year-old figured it was time to take the fight from the bull ring to the wrestling ring against Sami Zayn.