UFC Welterweight Champion Georges St. Pierre makes the trek to the Sport Science lab to see if he has what it takes to beat Jake Shields in the Octagon. St. Pierre showed off his stamina and punches to ESPN Sport Science's John Brenkus where he tested St. Pierre's power and speed.LINK
The thing to take away from this article is this.
"To compare: Cain Velasquez's punch is 2230 lbs of force, Rampage Jackson's punch is 1800 lbs of force and Shogun Rua's kick is 2749 lbs of force. "
Sorry Shields, gsp isn't going to lose this fight.