Before World Series of Fighting 31 takes place this Friday night, catch up on WSOF 24-30 Wednesday during a special marathon.
All five of the cards will air on NBC Sports Network.
Included in the marathon are title fights featuring Jon Fitch, Yushin Okami, Justin Gaethje and David Branch, along with the special one-night lightweight tournament.
All the action begins at 7 p.m. ET.
— #PFLFightNight (@ProFightLeague) June 13, 2016