UFC 320: Ankalaev vs. Pereira 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that will took place on October 4, 2025, at T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Valley, United States. A UFC Light Heavyweight Championship rematch between Magomed Ankalaev and former champion Alex Pereira headlined the event. They had previously fought at UFC 313, where Ankalaev won via unanimous decision. Jiří Procházka, scheduled to face Khalil Rountree Jr., served as backup for the main event. The co-main event featured a UFC Bantamweight Championship bout between Merab Dvalishvili and former interim title challenger Cory Sandhagen.