The PFL 9 mixed martial arts event for the 2022 season of the Professional Fighters League was held on August 20, 2022, at the Copper Box Arena in London, England. This was the start of the playoffs for the Women's Lightweight and Featherweight divisions. The Women's Lightweight bracket sees UFC vet Larissa Pacheco take on Olena Kolesnyk while Kayla Harrison faces Martina Jindrová in the other lightweight semifinal.

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 10 mixed martial arts event for the 2019 season of the Professional Fighters League, the 2019 PFL Championship, was held on December 31, 2019, at the Hulu Theater at Madison Square Garden in New York City, New York.

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 7 mixed martial arts event for the 2019 season of the Professional Fighters League was held on October 11, 2019, at the Mandalay Bay Events Center in Las Vegas, Nevada. Kayla Harrison was initially scheduled to face Genah Fabian at this event. However, Fabian missed weight and was replaced by Bobbi-Jo Dalziel.

PFL 1: 2023 Regular Season was a mixed martial arts event that took place on Saturday, April 1, 2023 at the Theater at Virgin Hotels in Las Vegas, Nevada.

PFL 4: 2023 Regular Season was a mixed martial arts event that took place on Thursday, June 8, 2023 at the Overtime Elite Arena in Atlanta, Georgia.

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.

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+.