UFC 291: Poirier vs. Gaethje 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 29, 2023, at the Delta Center in Salt Lake City, Utah, United States. A lightweight rematch between former interim UFC Lightweight Champions Dustin Poirier and Justin Gaethje (also former WSOF Lightweight Champion) headlined the event. They also competed for the symbolic "BMF" (baddest motherfucker) title, which was vacated after the original holder Jorge Masvidal retired in April. The pairing first met at UFC on Fox: Poirier vs. Gaethje in April 2018 which Poirier won by fourth-round TKO.

UFC Fight Night 236: Hermansson vs. Pyfer was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on February 10, 2024, at the UFC Apex facility, in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A middleweight bout between Jack Hermansson and Joe Pyfer headlined the event.

UFC on ESPN 59: Namajunas vs. Cortez was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 13, 2024, at the Ball Arena in Denver, Colorado, United States. A women's flyweight bout between former two-time UFC Women's Strawweight Champion Rose Namajunas and Tracy Cortez headlined the event.

UFC Fight Night 272: Moicano vs. Duncan was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 4, 2026, at the Meta Apex in Enterprise, Nevada, part of the Las Vegas Valley, United States. A lightweight bout between former UFC Lightweight Championship challenger Renato Moicano and Chris Duncan headlined the event.