Via ESPN: UFC 257: Poirier vs. McGregor 2, the highly-anticipated rematch that has been years in the making, will stream exclusively on ESPN+ PPV this Saturday, Jan. 23, at 10 p.m. ET. The main event features former two-division champion Conor McGregor (22-4) against former interim lightweight champion Dustin Poirier (26-6), in a rematch from their meeting at UFC 178 in 2014 a first-round TKO victory for McGregor. It will be the final of three events in a week from UFC FIGHT ISLAND in Yas Island, Abu Dhabi in the United Arab Emirates.