The PFL 4 mixed martial arts event for the 2021 season of the Professional Fighters League was held on June 10, 2021. This was the fourth regular season event of the tournament and included fights in the Featherweight and Lightweight divisions. Boxing champion and Olympic gold medalist Claressa Shields made her MMA debut in the main event against Brittney Elkin.

The PFL 1 mixed martial arts event for the 2021 season of the Professional Fighters League was held on April 23, 2021. This was the first regular season event of the tournament and included fights in the Featherweight and Lightweight divisions. The event was headlined by a lightweight clash between the former UFC and WEC Lightweight champion Anthony Pettis and the UFC veteran Clay Collard.

The PFL 5 mixed martial arts event for the 2022 season of the Professional Fighters League was held on June 24, 2022 at the Overtime Elite Arena in Atlanta, Georgia. This marked the fifth regular season event of the tournament and included fights in the Heavyweight and Featherweight divisions.

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+.

The PFL 10 mixed martial arts event for the 2022 season of the Professional Fighters League will be held on November 25, 2022, at the Hulu Theater in New York City, New York, United States. This will be the finale of the playoffs for all divisions, with the winners getting $1 million cash prize. The event also will also mark the organization's first pay-per-view card, being available on ESPN+ PPV.

UFC on ESPN 2: Barboza vs. Gaethje was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on March 30, 2019 at the Wells Fargo Center in Philadelphia, Pennsylvania. A lightweight bout between Edson Barboza and former WSOF Lightweight Champion Justin Gaethje served as the event headliner.

UFC Fight Night 155: de Randamie vs. Ladd was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on July 13, 2019 at Golden 1 Center in Sacramento, California. A women's bantamweight bout between the inaugural UFC Women's Featherweight Champion Germaine de Randamie and Aspen Ladd served as the event headliner.

UFC Fight Night 122: Bisping vs. Gastelum was a mixed martial arts event produced by the Ultimate Fighting Championship and held on November 25, 2017, at Mercedes Benz Arena in Shanghai, China.

UFC 227: Dillashaw vs. Garbrandt 2 is an MMA event produced by the Ultimate Fighting Championship held on August 4, 2018, at the Staples Center in Los Angeles, California.

UFC 230: Cormier vs. Lewis is a mixed martial arts event produced by the Ultimate Fighting Championship held on November 3, 2018 at Madison Square Garden in New York City, New York.