UFC champ Julianna Peña is a massive underdog as she puts her newly regained title on the line at UFC 316 against Kayla Harrison.

The UFC 316 card just became official, and the lineup is already sparking conversation across the MMA world. Both the main event and co-main are locked in, and

UFC CEO Dana White took to Instagram to drop one of many fight announcements, among them being the being a rematch for the men’s bantamweight title between Sean O’Malley and Merab Dvalishvili that will headline the main card at UFC 316 on June 7.

UFC 316 goes down on June 7th in New Jersey and we now know the main and co-main events. Dana White announced on social media this afternoon that a women’s bantamweight title fight will be the co-main event as champion Julianna Pena (11-5) takes on Olympic Gold Medalist and former PFL champion Kayla Harrison (18-1).

Kayla Harrison has not entered the octagon since last October when she defeated Ketlen Vieira via unanimous decision at UFC 307.

Merab Dvalishvili and Sean O'Malley will headline UFC 316 in a bantamweight rematch on June 7, per ESPN's Brett Okamoto. Dvalishvili and O'Malley last fought at UFC 306 in September, where Dvalishvili claimed the UFC Championship via unanimous decision.

Undisputed bantamweight champion, Julianna Pena is reportedly in line for her first defense of her second reign at the division limit in June, taking on

Dana White confirms UFC 316 with a massive bantamweight title fight headlining and a thrilling women’s championship bout in the co-main.

Dvalishvili and O'Malley first met at UFC 306 in September 2024, as the featured attraction atop the famous "one-and-only" UFC event in the Las Vegas Sphere. Dvalishvili won the fight and seized the 135-pound belt, utilizing his strong grappling game to stifle O'Malley en route to a unanimous decision win that ended O'Malley's short title reign.