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...
The PFL 2 mixed martial arts event for the 2018 season of the Professional Fighters League was held on June 21, 2018, at the Chicago Theatre in Chicago, Illinois. It was the second regular season event of 2018 and included only fights in the lightweight and light heavyweight divisions.
