This week, the UFC officially begins its holiday season following the final pay-per-view event of the year. UFC 296 took place at T-Mobile Arena last weekend, where welterweight champion Leon Edwards defended his throne against Colby Covington and flyweight champion Alexandre Pantoja retained his title by defeating Brandon Royval . Elsewhere, many other combat sports events are taking place that feature several familiar names that have competed under the UFC banner. Check out which veterans of the global MMA leader are competing Dec. 21-24