McGregor vs Holloway II is official. Conor McGregor returns to the octagon on Saturday July 11 in Las Vegas at UFC 329. Five years after breaking his leg against Dustin Poirier, the former two division champion is back. The bout is at 170 pounds. Max Holloway has spent his entire career at 145 and 155. He is moving up two weight classes for this fight. July 11. Las Vegas. UFC 329. #UFC329 #McGregor #Holloway #MMA #UFC