Two UFC championships are on the line this Saturday when UFC 316 lands in Newark, New Jersey's Prudential Center . In the main event, Sean O'Malley will attempt to regain the bantamweight championship from the man who took it from him in September, Merab Dvalishvili.

Dvalishvili's relentless pace and seemingly endless gas tank allowed him to overwhelm O'Malley for the majority of their UFC 306 meeting, which Dvalishvili won by unanimous decision. O'Malley has claimed that he has made several lifestyle changes in taking a more serious approach to his career, but Dvalishvili's unique style still presents significant challenges for the former champ.

In the co-main event, two-time Olympic gold medalist in judo Kayla Harrison will challenge for the first UFC title of her career. Harrison

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