If Tom Cruise won't agree to step into the octagon for a legitimate fight against Justin Bieber, Steven "Steve-O" Glover star of Jackass says he will. "I'm sick of being overlooked for my potential as a cagefighter," Steve-O recently revealed and he's claiming he spoke with UFC head Dana White about potentially getting involved. "If he were to get me in a choke, I wouldn't tap. I would go to sleep,"