UFC on ESPN 26: Makhachev vs. Moisés was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 17, 2021 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A lightweight bout between Islam Makhachev and Thiago Moisés was then promoted to serve as the new main event.

UFC Fight Night 201: Walker vs. Hill was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on February 19, 2022, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A lightweight bout between former UFC Lightweight Champion Rafael dos Anjos and Rafael Fiziev was expected to serve as the event headliner. However, the bout was postponed to UFC 272 due to visa issues with Fiziev. Instead, a light heavyweight bout between Johnny Walker and Jamahal Hill served as the main event.

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 Fight Night 179: Moraes vs. Sandhagen was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 11, 2020 at the du Forum on Yas Island, Abu Dhabi, United Arab Emirates. A bantamweight bout between former WSOF Bantamweight Champion and UFC Bantamweight Championship challenger Marlon Moraes and Cory Sandhagen served as the event headliner.