A bantamweight title bout featuring Merab Dvalishvili and Petr Yan headlines UFC 323 in what is a highly anticipated rematch between the two decorated MMA fighters.

How to Watch UFC 323 Press Conference, Pre-Show, Weigh-Ins, Fights

Date: Thursday, December 4, 2025 - Saturday, December 6, 2025

Times: Press Conference - 8:00 PM ET (Thursday); Pre-Show - 3:00 PM ET (Friday); Weigh-Ins - 8:00 PM ET (Friday); Early-Prelims - 6:00 PM ET (Saturday); Prelims - 8:00 PM ET (Saturday); Main Card 10:00 PM ET (Saturday)

Channel: ESPN, ESPN+, ESPN PPV

Stream: ESPN - Pre-Events / Prelims ( watch now ) ; ESPN PPV - Main Event ( watch now )

At the top of the card, the bantamweight championship rematch, Merab Dvalishvili vs. Petr Yan 2, headlines the show. The reigning champ, Merab Dvalishvi

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