UFC 257 Countdown: Dan Hooker vs. Michael Chandler January 17, 2021 Dan Hooker welcomes Michael Chandler to the UFC in the co-main event of UFC 257 on Saturday, January 23. Watch these two athletes prepare for their bout. UFC 257 will be Chandler’s UFC debut. The former three-time Bellator MMA lightweight champion didn’t get an easy match in his octagon debut. Hooker is ranked No. 6 in the lightweight division. It’s a fight that moves Hooker closer to a title fight, or a fight that puts Chandler into contender status.