World Series of Fighting re-emerging as the Professional Fighters League shocked many on its announcement earlier this year.
The most striking contrast between the two banners is PFL’s tournament format. Ray Sefo, former president of WSOF and president of fighting operations for PFL, was forged in tournament style combat events during his time with K-1.
Skepticism remains in the eyes of some in regards to tournament-style mixed martial arts after the International Fight League failed to spark the enthusiasm of the fan base in its run from 2006 to 2008.