UFC 148 gallery

Tito Ortiz punches Antonio Rogerio Nogueira during the UFC 140 event at Air Canada Centre on December 10, 2011 in Toronto, Ontario, Canada. (Photo by Nick Laham/Zuffa LLC/Zuffa LLC via Getty Images)

Forrest Griffin kicks Mauricio 'Shogun' Rua during a light heavyweight bout at UFC 134 at HSBC Arena on August 27, 2011 in Rio de Janeiro, Brazil. (Photo by Al Bello/Zuffa LLC/[Zuffa LLC via Getty Images)

Anderson Silva (R) celebrates after knocking out Yushin Okami (L) in the UFC Middleweight Championship bout at UFC 134 at HSBC Arena on August 27, 2011 in Rio de Janeiro, Brazil. (Photo by Al Bello/Zuffa LLC/[Zuffa LLC via Getty Images)

Chael Sonnen conducts a workout at the Team Quest gym on June 26, 2012 in Tualatin, Oregon. Sonnen will fight Anderson Silva July 7, 2012 at UFC 148 in Las Vegas, Nevada. (Photo by Jonathan Ferrey/Getty Images)

Forrest Griffin holds an open workout session for media ahead of his UFC 148 fight against Tito Ortiz at the Robert Drysdale Jiu Jitsu Gym on June 26, 2012 in Las Vegas, Nevada. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)

Tito Ortiz exhibits the pain of a blow to the ribs after his TKO loss to Antonio Rogerio Nogueira during the UFC 140 event at Air Canada Centre on December 10, 2011 in Toronto, Ontario, Canada. (Photo by Nick Laham/Zuffa LLC/Zuffa LLC via Getty Images)

Chael Sonnen punches Michael Bisping during the UFC on FOX event at United Center on January 28, 2012 in Chicago, Illinois. (Photo by Nick Laham/Zuffa LLC/Zuffa LLC via Getty Images)

Mauricio 'Shogun' Rua defeats Forrest Griffin by knockout with punches on the ground in a light heavyweight bout at UFC 134 at HSBC Arena on August 27, 2011 in Rio de Janeiro, Brazil. (Photo by Al Bello/Zuffa LLC/Zuffa LLC via Getty Images)

Chael Sonnen enters the octagon before his bout against Michael Bisping during the UFC on FOX event at United Center on January 28, 2012 in Chicago, Illinois. (Photo by Nick Laham/Zuffa LLC/Zuffa LLC via Getty Images)

Anderson Silva finishes off Yushin Okami with punches on the ground in the UFC Middleweight Championship bout at UFC 134 at HSBC Arena on August 27, 2011 in Rio de Janeiro, Brazil. (Photo by Al Bello/Zuffa LLC/[Zuffa LLC via Getty Images)

ANAHEIM, CA - NOVEMBER 12: Mixed martial arts fighter Tito Ortiz (L) and actress Jenna Jameson attend UFC on Fox: Live Heavyweight Championship at the Honda Center on November 12, 2011 in Anaheim, California. (Photo by Jason Merritt/Getty Images)