UFC heavyweight king Cain Velasquez defends his crown against the only man to ever defeat him, former champion Junior dos Santos at UFC 166 on Oct. 19 in Houston. Get an all-access look at two UFC superstars as they prepare to culminate their historic trilogy.
Watch the full first episode of UFC Primetime: Velasquez vs. dos Santos III.
Click here for episode two. | Click here for episode three.
Click here for episode two. | Click here for episode three.