On December 16, the UFC closes out another big year with a championship doubleheader set to shake the foundations of the mixed martial arts world. In the main event of UFC 296 at T-Mobile Arena in Las Vegas, UFC welterweight champion Leon "Rocky" Edwards will attempt to hold off the charge of Colby "Chaos" Covington in a highly-anticipated showdown at 170 pounds. Plus, Alexandre Pantoja will risk his UFC flyweight championship for the first time in a rematch against surging rival Brandon Royval.