Watch Cain Velasquez vs. Junior dos Santos full fight videos to see the first two fights of their trilogy. dos Santos won his first battle with Velasquez at UFC on FOX on Nov. 12, 2011 in Anaheim, Calif. You can watch that video above.
In their second fight, Velasquez defeated dos Santos via unanimous decision at UFC 155 to get his belt back on Dec. 29, 2012 in Las Vegas. You can check out that video below.
dos Santos and Velasquez will fight for a third time at UFC 166 next Saturday night in Houston. Velasquez is 12-1 in his career, while dos Santos is 16-2.