The PFL 10 mixed martial arts event for the 2021 season of the Professional Fighters League was held on October 27, 2021. This was the finale of the playoffs for all divisions, with the winners getting $1 million cash prize. Kayla Harrison, a two-time Olympic gold medalist in judo and is seeking her second PFL championship, headlined the PFL event opposite Taylor Guardado, who emerged as an unexpected finalist in 2021. The event also featured five other finals matchups, with the winner of each weight class taking home PFL's trademark $1 million prize.

The PFL 4 mixed martial arts event for the 2022 season of the Professional Fighters League was held on June 17, 2022 at the Overtime Elite Arena in Atlanta, Georgia. This marked the fourth regular season event of the tournament and included fights in the Lightweight and Light Heavyweight divisions.

The PFL 5 mixed martial arts event for the 2021 season of the Professional Fighters League was held on June 17, 2021. This was the second regular season event of the tournament and included fights in the Welterweight and Light heavyweight divisions. The event was headlined by a welterweight clash between the former UFC title contender and Bellator welterweight champion Rory MacDonald and the former UFC veteran Gleison Tibau.

The PFL 2 mixed martial arts event for the 2021 season of the Professional Fighters League was held on April 29, 2021. This was the second regular season event of the tournament and included fights in the Welterweight and Light heavyweight divisions. The event was to be headlined by a welterweight clash between the former UFC title contender and Bellator welterweight champion Rory MacDonald and the former UFC veteran David Michaud.

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 PFL 9 mixed martial arts event for the 2021 season of the Professional Fighters League was held on August 27, 2021. This was the third event of the playoffs with the Featherweight and Light Heavyweight divisions divisions competing. This event aired on ESPN2, with the prelims airing on ESPN+.

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 212: Aldo vs. Holloway is a mixed martial arts event produced by the Ultimate Fighting Championship held on June 3, 2017 at the Jeunesse Arena in Rio de Janeiro, Brazil.

UFC Fight Night 70: Machida vs. Romero was a mixed martial arts event held on June 27, 2015, at the Seminole Hard Rock Hotel and Casino in Hollywood, Florida. The event was headlined by a middleweight bout between former UFC Light Heavyweight champion Lyoto Machida and 2000 Summer Olympics silver medalist in freestyle wrestling Yoel Romero.

UFC Fight Night 158: Cerrone vs. Gaethje was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on September 14, 2019 at Rogers Arena in Vancouver, British Columbia, Canada. A lightweight bout between former UFC Lightweight Championship challenger Donald Cerrone and former WSOF Lightweight Champion Justin Gaethje served as the event's headliner.