Successful 2021 PFL Season Leads To Expanded Live Content On ESPN’s Digital Platforms KEY POINTS 2021 PFL Playoffs is slated to kick off on August 13 Kayla Harrison, Natan Schulte and Ray Cooper III lead PFL playoff cast The 2021 regular season of the Professional Fighters League (PFL) has been nothing short of incredible, with a handful of stellar debuts, stunning moments, and scintillating mixed martial arts (MMA) action. Now, PFL heads into the next--and arguably even more exciting--part of the season: the playoffs. The regular season set the stage for this year’s postseason, which features some new faces as well as some former champions looking to repeat history.