no TopFlix. 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.