Sean O'Malley

UFC 324: Gaethje vs. Pimblett was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on January 24, 2026, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Valley, United States.

UFC 316: Dvalishvili vs. O'Malley 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 7, 2025, at the Prudential Center, in Newark, New Jersey, United States. A UFC Bantamweight Championship rematch between current champion Merab Dvalishvili and former champion Sean O'Malley headlined this event. A UFC Women's Bantamweight Championship bout between current two-time champion Julianna Peña and the 2012 and 2016 Olympic gold medalist in judo Kayla Harrison co-headlined this event.

UFC 299: O'Malley vs. Vera 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on March 9, 2024, at the Kaseya Center in Miami, Florida, United States.

Offensive lines. Full-contact comedy. Kevin Hart hosts this all-star roast of NFL legend Tom Brady.

UFC 306: O'Malley vs. Dvalishvili (branded as Riyadh Season Noche UFC for sponsorship reasons) was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on September 14, 2024, at the Sphere in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United States. A UFC Bantamweight Championship bout between current champion Sean O'Malley and Merab Dvalishvili headlined the event.

UFC 292: Sterling vs. O'Malley was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 19, 2023, at the TD Garden in Boston, Massachusetts, United States. A UFC Bantamweight Championship bout between current champion Aljamain Sterling and Sean O'Malley headlined the event and a UFC Women's Strawweight Championship bout between current two-time champion Zhang Weili and Amanda Lemos served as the co-headliner. The lightweight and bantamweight finals of The Ultimate Fighter: Team McGregor vs. Team Chandler took place at the event.

UFC 292 Countdown previews two title fights, as bantamweight king Aljamain Sterling battles rising star Sean O’Malley, and strawweight queen Zhang Weili faces Amanda Lemos. Plus, former middleweight champ Chris Weidman returns against Brad Tavares.

UFC 276: Adesanya vs. Cannonier was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 2, 2022, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United States. The event was held during the UFC's 10th annual International Fight Week. The 2022 UFC Hall of Fame induction ceremony also took place during the week. A UFC Middleweight Championship bout between current champion Israel Adesanya and Jared Cannonier headlined the event.

UFC 280: Oliveira vs. Makhachev was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 22, 2022, at the Etihad Arena in Abu Dhabi, United Arab Emirates. A UFC Lightweight Championship bout for the vacant title between former champion Charles Oliveira and Islam Makhachev headlined the event. Oliveira was stripped of the title at UFC 274 when he failed to make weight for his attempted title defense against former interim champion (also former WSOF Lightweight Champion) Justin Gaethje.

UFC 269: Oliveira vs. Poirier was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on December 11, 2021, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United States. A UFC Lightweight Championship bout between current champion Charles Oliveira and former interim champion Dustin Poirier served as the event headliner.