UFC 269: Oliveira vs. Poirier was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on December 11, 2021, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United States. A UFC Lightweight Championship bout between current champion Charles Oliveira and former interim champion Dustin Poirier served as the event headliner.

UFC on ESPN 38: Tsarukyan vs. Gamrot was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 25, 2022, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A lightweight bout between Arman Tsarukyan and former KSW Featherweight and Lightweight Champion Mateusz Gamrot headlined the event.

UFC 251: Usman vs. Masvidal was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 12, 2020 at the du Forum on Yas Island, Abu Dhabi, United Arab Emirates. A UFC Welterweight Championship bout between current champion Kamaru Usman and Gilbert Burns was expected to headline the event. However, it was announced on July 3 that Burns was pulled from the contest after he and his coach, Greg Jones, tested positive for COVID-19. Pending pre-fight testing and a 24-hour quarantine, Jorge Masvidal was expected to serve as his replacement. After he passed his initial test, the new main event was confirmed.

UFC Fight Night 167: Anderson vs. Błachowicz 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on February 15, 2020 at the Santa Ana Star Center in Rio Rancho, New Mexico, United States. A light heavyweight rematch between The Ultimate Fighter: Team Edgar vs. Team Penn light heavyweight winner Corey Anderson and former KSW Light Heavyweight Champion Jan Błachowicz served as the event headliner in a possible title eliminator.

UFC Fight Night 156: Shevchenko vs. Carmouche 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 10, 2019 at Antel Arena in Montevideo, Uruguay. A UFC Women's Flyweight Championship bout between current champion Valentina Shevchenko and former UFC Women's Bantamweight Championship challenger Liz Carmouche headlined the event. The pairing met previously under a regional promotion banner in 2010 with Carmouche winning the first bout via second-round TKO (doctor stoppage).

UFC 234: Adesanya vs. Silva was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on February 10, 2019 at Rod Laver Arena in Melbourne, Victoria, Australia.

UFC on ESPN 27: Sandhagen vs. Dillashaw was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 24, 2021, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A bantamweight bout between former two-time UFC Bantamweight Champion T.J. Dillashaw and Cory Sandhagen served as the event headliner. It was Dillashaw's first fight since his two-year suspension due to testing positive for recombinant human erythropoietin (EPO), which resulted in his title vacancy.