UFC 257 is set to go down this Saturday night (Jan. 23. 2021) inside Etihad Arena located on “Fight Island” in Abu Dhabi, United Arab Emirates. The promotion’s first ESPN+ pay-per-view (PPV) event of 2021 will feature the long-awaited return of Conor McGregor, who will rematch Dustin Poirier in a pivotal Lightweight affair.