Photos: UFC Champ Cain Velasquez Celebrates B’Day in Vegas

He beat Brock Lesnar to become the Undisputed UFC Heavyweight Champion of the World, but Cain Velasquez then needed shoulder surgery that put him on the shelf for an entire year. Now scheduled to return to the Octagon against the amazing Junior Dos Santos, the Ultimate champ Cain Valesquez was joined by Chuck Liddell, Jon Fitch, and Josh Koscheck in Las Vegas for a wild birthday bash.

To see the UFC fighters celebrating Velasquez's birthday in Sin City, CLICK HERE.