UFC 257 takes place Saturday with the return of the sport’s biggest star, and MMA Junkie Radio’s “Gorgeous” George and “Goze” will host a live streaming watch-along via SportsCastr  that  kicks off at 9 p.m. ET. In the main event, former two-division champion Conor McGregor is back from a year-long layoff to take on Dustin Poirer in a highly anticipated rematch. And in the co-headliner, former Bellator lightweight champion Michael Chandler makes his UFC debut against top contender Dan Hooker . UFC 257 takes place Saturday at Etihad Arena on “Fight Island” in Abu Dhabi. The main card streams on ESPN+ pay-per-view following prelims on ESPN and ESPN+.