Former champion Alexandre Pantoja returns from a nine-month layoff to challenge Joshua Van for the men's flyweight title in a highly anticipated rematch at UFC 331. The main event takes place Saturday night at Crypto.com Arena in Los Angeles. Pantoja originally lost the title via TKO after a dislocated elbow in the opening seconds of their first encounter at UFC 323. While recovering, Van defended the belt against Tatsuro Taira, earning a fifth-round knockout at UFC 328.

The co-main event features top-10 lightweights Arman Tsarukyan and Mauricio Ruffy. Tsarukyan, ranked highly in the pound-for-pound lists, has stayed sharp through competitive wrestling. Ruffy is known for his striking, boasting 13 knockout wins in 14 career fights.

Brett Okamoto, Jeff Wagenheim, and Dre Waters provide live analysis and breakdowns of the card from Los Angeles. The full card also features lightweight bouts and other marquee matchups.