UFC 323 is the UFC’s final pay-per-view of the year on Saturday night, and two UFC titles will be up for grabs for the final big card on ESPN+.UFC bantamweight champion Merab Dvalishvili rematches Petr Yan in the main event, while UFC flyweight champion Alexandre Pantoja puts up his belt in the co-main event against Joshua Van.The event kicks off with a five-fight preliminary card at 6 p.m. ET on ESPN+ and Disney+, headlined by a middleweight bout between Marvin Vettori and Brunno Ferreira.Marvin Vettori vs. Brunno FerreiraIwo Baraniewski vs. Ibo AslanEdson Barboza vs. Jalin TurnerMansur Abdul-Malik vs. Antonio TrocoliMuhammad Naimov vs. Mairon SantosUFC 323 then moves to a four-fight preliminary card at 8 p.m. ET on ESPN2, ESPN+, and Disney+, headlined by a lightweight bout between Grant Dawson and Manuel Torres.Grant Dawson vs. Manuel TorresTerrance McKinney vs. Chris DuncanMaycee Barber vs. Karine SilvaNazim Sadykhov vs. Fares ZiamThe ESPN+ pay-per-view main card begins at 10 p.m. ET and is headlined by UFC bantamweight champion Merab Dvalishvili and Petr Yan. Fans can purchase the event for $79.99 on ESPN+ PPV.The main event walkouts are expected around 12-12:30 a.m. ET.Merab Dvalishvili vs. Petr YanAlexandre Pantoja vs. Joshua VanBrandon Moreno vs. Tatsuro TairaHenry Cejudo vs. Payton TalbottJan Blachowicz vs. Bogdan Guskov