In anticipation of their world heavyweight title clash at UFC® on FOX: VELASQUEZ VS. DOS SANTOS, UFC® champion Cain Velasquez and challenger Junior dos Santos will be featured on UFC Primetime®, an all-access documentary.This hard-hitting episode will premiere Sunday, October 30 following or preceding the NFL on Fox game (varies by market, check local listings). Re-airs will follow on ufc.com beginning Monday, October 31 and on FUEL TV Wednesday, November 2. UFC Primetime, produced by the Ult…