UFC 243: Whittaker vs. Adesanya was a mixed martial arts pay-per-view event produced by the Ultimate Fighting Championship that took place on October 6, 2019, at Marvel Stadium in Melbourne, Victoria, Australia. A UFC Middleweight Championship unification bout between the champion Robert Whittaker (also The Ultimate Fighter: The Smashes welterweight winner) and undefeated interim champion Israel Adesanya served as the event's headliner.

UFC Fight Night 175: Smith vs. Rakić was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 29, 2020, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A light heavyweight bout between former UFC Light Heavyweight Championship challenger Anthony Smith and Aleksandar Rakić would serve as a three-round main event.

UFC 250: Nunes vs. Spencer was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 6, 2020 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A UFC Women's Featherweight Championship bout between the current champion Amanda Nunes (also the current UFC Women's Bantamweight Champion) and former Invicta FC Featherweight Champion Felicia Spencer was expected to serve as the co-headliner.

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.

In the main event, former UFC heavyweight champion Junior dos Santos will square off against fellow UFC veteran Yorgan De Castro in a heavyweight contest. Dos Santos will be competing for the first time since his departure from the UFC in early 2021. De Castro won his Eagle FC debut in January with a first-round guillotine over Shaun Asher in 64 seconds.

Gamebred Fighting Championship 5: Dos Santos vs. Werdum was a mixed martial arts event that took place on Friday, September 8 , 2023 at the Vystar Veterans Memorial Arena in Jacksonville, Florida.

UFC Fight Night 174: Lewis vs. Oleinik (also known as UFC Fight Night 174, UFC on ESPN+ 32 and UFC Vegas 6) was a mixed martial arts event produced by the Ultimate Fighting Championship on August 8, 2020 at the UFC APEX facility in Las Vegas, Nevada, United States. Derrick Lewis vs. Aleksei Oleinik; Heavyweight. Omari Akhmedov vs. Chris Weidman; Middleweight. Maki Pitolo vs. Darren Stewart; Middleweight. Yana Kunitskaya vs. Ketlen Vieira; Women's bantamweight. Beneil Dariush vs. Scott Holtzman; Lightweight.

UFC 258: Usman vs. Burns was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on February 13, 2021, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A UFC Welterweight Championship bout between the current champion Kamaru Usman (also The Ultimate Fighter: American Top Team vs. Blackzilians welterweight winner) and Gilbert Burns served as the event headliner.