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 Fight Night 101: Whittaker vs. Brunson was a mixed martial arts event held by the Ultimate Fighting Championship on November 27, 2016 at Rod Laver Arena in Melbourne, Victoria, Australia. A middleweight bout between The Ultimate Fighter: The Smashes welterweight winner Robert Whittaker and Derek Brunson was elevated to serve as the event headliner.

Bare Knuckle Fighting Championship 41: Colorado was a bare-knuckle fighting event held by Bare Knuckle Fighting Championship on April 29, 2023. This event featured the debut of former UFC Middleweight champion Luke Rockhold, former UFC Lightweight champion Eddie Alvarez and former UFC Featherweight title contender Chad Mendes. Former UFC Lightweight and Featherweight champion Conor McGregor was in attendance for this sold-out event.

UFC 127: Penn vs. Fitch was a mixed martial arts event held by the Ultimate Fighting Championship on Sunday, 27 February 2011 at Acer Arena in Sydney, Australia.

UFC on FX 8: Belfort vs. Rockhold was a mixed martial arts event held on May 18, 2013, at the Arena Jaraguá in Jaraguá do Sul, Brazil. The event was headlined by a middleweight bout between perennial multi-divisional contender Vitor Belfort and the final Strikeforce Middleweight Champion and promotional newcomer and future UFC Middleweight Champion Luke Rockhold.

UFC 158: St-Pierre vs. Diaz was a mixed martial arts event held by the Ultimate Fighting Championship on March 16, 2013, at the Bell Centre in Montreal, Quebec, Canada. The main event was the culmination of the rivalry between Georges St-Pierre and Nick Diaz, with the latter having been vocal in wanting to fight the current champion for nearly two years.

BKFC 50 took place Friday, September 22, 2023 with 12 fights at 1STBANK Center in Denver, Colorado.

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+.

BKFC 31 took place Saturday, October 15, 2022 with 11 fights at 1st Bank Center in Broomfield, Colorado