Check out the video highlights as Cain Velasquez defended his heavyweight title by stopping Junior dos Santos in the fifth round at UFC 166.
"UFC Primetime" concluded Wednesday with the third and final installment previewing "UFC 166: Velasquez vs. dos Santos III." Watch the full episode now.
Check out the behind the scenes lead-up to Saturday's UFC 166 fight between Velasquez and dos Santos, as well as Daniel Cormier vs. Roy Nelson and Gilbert Melendez vs. Diego Sanchez.
Watch the full third episode of UFC Primetime: Velasquez vs. dos Santos III.