The UFC ‘s final pay-per-view event of the year, UFC 323: Dvalishvili vs. Yan 2, takes place on Saturday at T-Mobile Arena in Las Vegas. The fight card is headlined by a bantamweight championship rematch between champion  Merab Dvalishvili and former titleholder  Petr Yan .  The two first fought at UFC Fight Night 221 in March 2023.