UFC 320: Ankalaev vs. Pereira 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 4, 2025, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Valley, United States. A UFC Light Heavyweight Championship rematch between current champion Magomed Ankalaev and former champion Alex Pereira (also former UFC Middleweight Champion, former Glory Middleweight and Light Heavyweight Champion) headlined the event.