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.

Aspen Ladd vs. Norma Dumont (Featherweight) Andrei Arlovski vs. Carlos Felipe (Heavyweight) Jim Miller vs. Erick Gonzalez (Lightweight) Manon Fiorot vs. Mayra Bueno Silva (Flyweight) Nate Landwehr vs. Ludovit Klein (Featherweight)

UFC Fight Night 161: Joanna vs. Waterson was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 12, 2019 at Amalie Arena in Tampa, Florida. A women's strawweight bout between former UFC Women's Strawweight Champion Joanna Jędrzejczyk and former Invicta FC Atomweight Champion Michelle Waterson served as the event headliner.

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.

PFL 4 was a mixed martial arts event produced by the Professional Fighters League that took place on June 8, 2023, at the Overtime Elite Arena in, Atlanta, Georgia, United States. In the main event, 2022 featherweight champion Brendan Loughnane faced Jesus Pinedo.

PFL 5 was a mixed martial arts event for the 2024 season of the Professional Fighters League was held on June 21, 2024, at the Huntsman Center in Salt Lake City, Utah, United States.

UFC Fight Night 151: Iaquinta vs. Cowboy was a mixed martial arts event produced by the Ultimate Fighting Championship held on May 4, 2019 at the Canadian Tire Centre in Ottawa, Ontario, Canada. A lightweight bout between Al Iaquinta and former UFC Lightweight Championship challenger Donald Cerrone served as the event headliner.

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.

The Ultimate Fighter: Team Joanna vs. Team Cláudia Finale (also known as The Ultimate Fighter 23 Finale) was a mixed martial arts event held on July 8, 2016 at the MGM Grand Garden Arena in Las Vegas, Nevada. This event was a part of UFC International Fight Week. The event was headlined by a UFC Women's Strawweight Championship bout between current champion Joanna Jędrzejczyk and top contender Cláudia Gadelha. The pair previously met at UFC on Fox: dos Santos vs. Miocic in December 2014, with Jędrzejczyk winning via split decision.

UFC Fight Night 102: Lewis vs. Abdurakhimov was a mixed martial arts event held by the Ultimate Fighting Championship on December 9, 2016, at Times Union Center in Albany, New York. A heavyweight bout between Derrick Lewis and Shamil Abdurakhimov served as the event headliner.