UFC 257 is set to take place at the Yas Islands in Abu Dhabi on January 23 and the PPV marks the return of the McGregor v Poirier live most popular fighter in the promotion’s history, Conor McGregor. McGregor makes his much-awaited return in the main event of UFC 257 in a rematch against Dustin Poirier. The pair fought previously in a featherweight clash at UFC 178 where McGregor won by first-round TKO. Multiple Conor Poirier Fight people with knowledge of the promotion’s plans confirmed Conor Poirier live fight to MMA Fighting that a matchup between Jessica Eye and Joanne Calderwood has been added to the UFC’s Jan. 23 fight card following an initial report from MMA DNA. A location for the event has yet to be officially announced.