Merab Dvalishvili retained his 135-pound championship when he tapped out Sean O’Malley in the third round in the main event of UFC 316 at the Prudential Center.

Around her neck or around her waist, Kayla Harrison has a knack for winning gold. One key distinction, of course, between the Olympics and professional mixed martial arts is what happens in the immediate aftermath of a monumental victory — there is no four-year wait for the next fight.