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.

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

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

UFC Fight Night 57: Edgar vs. Swanson was a mixed martial arts event held at the Frank Erwin Center in Austin, Texas, on November 22, 2014. The card was headlined by a Featherweight bout between Cub Swanson and Frankie Edgar.

UFC 185: Pettis vs. dos Anjos was a mixed martial arts event held on March 14, 2015 at the American Airlines Center in Dallas, Texas. The event was headlined by a UFC Lightweight Championship bout between current champion Anthony Pettis and top contender Rafael dos Anjos. The co-main event featured a UFC Women's Strawweight Championship bout between current champion Carla Esparza and top contender Joanna Jędrzejczyk.

The PFL 1 mixed martial arts event for the 2018 season of the Professional Fighters League was held on June 7, 2018, at the Hulu Theatre at Madison Square Garden in New York City, New York, United States.

The PFL 4 mixed martial arts event for the 2018 season of the Professional Fighters League was held on July 19, 2018, at the Nassau Coliseum in Long Islandy, New York, United States.

The PFL 11 mixed martial arts event for the 2018 season of the Professional Fighters League was held on December 31, 2018, at the Hulu Theatre at Madison Square garden in New York City, New York, Illinois.