UFC 194 preview show

MMA Fighting's Ariel Helwani, Chuck Mindenhall and Shaun Al-Shatti take a closer look at the top storylines heading into Saturday night's UFC 194, including Jose Aldo trying to retain his title against Conor McGregor. In the co-main event, Chris Weidman puts his middleweight belt on the line against Luke Rockhold.More Coverage: UFC 194 Results | UFC news