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 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 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.
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 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.