Zhalgas Zhumagulov

A heavyweight bout between former UFC Heavyweight Championship challenger Derrick Lewis and Sergey Spivak was expected to headline the event. However, while the event was in progress, Lewis was forced to withdraw due to non-COVID, non-weight cutting illness and the bout was cancelled. As a result, Kennedy Nzechukwu and Ion Cuțelaba instead headlined the event. Kennedy Nzechukwu vs. Ion Cuțelaba (Light Heavyweight) Chase Sherman vs. Waldo Cortes-Acosta (Heavyweight) André Fialho vs. Muslim Salikhov (Welterweight) Jack Della Maddalena vs. Danny Roberts (Welterweight) Charles Johnson vs. Zhalgas Zhumagulov (Flyweight)

Alexander Volkov vs. Jairzinho Rozenstruik (Heavyweight) Dan Ige vs. Movsar Evloev (Featherweight) Michael Trizano vs. Lucas Almeida (Featherweight) Karine Silva vs. Poliana Botelho (Flyweight) Ode Osbourne vs. Zarrukh Adashev (Flyweight) Alonzo Menifield vs. Askar Mozharov (Light Heavyweight)

UFC on ESPN 31: Font vs. Vera was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 30, 2022, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A bantamweight bout between Rob Font and Marlon Vera headlined the event. At the weigh-ins, Font weighed in at 138.5 pounds, two and half pounds over the division non-title fight limit. The bout proceeded at a catch-weight with Font forfeiting 20% of his purse to Vera.

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 257: Poirier vs. McGregor 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on January 24, 2021 at the Etihad Arena on Yas Island, Abu Dhabi, United Arab Emirates. A lightweight rematch between former UFC Featherweight and Lightweight Champion Conor McGregor and former interim champion Dustin Poirier headlined this event. They met previously in a featherweight bout at UFC 178 on September 27, 2014, where McGregor won by first-round TKO.

UFC 264: Poirier vs. McGregor 3 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 10, 2021 at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United States. A lightweight trilogy between former interim UFC Lightweight Champion Dustin Poirier and former UFC Featherweight and Lightweight Champion Conor McGregor headlined the event.

UFC on ABC 5: Emmett vs. Topuria was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 24, 2023 at the VyStar Veterans Memorial Arena in Jacksonville, Florida, United States. A featherweight bout between former interim UFC Featherweight Championship challenger Josh Emmett and Ilia Topuria headlined this event.