World Series of Fighting put on its third professional mixed martial arts show this past Friday in Las Vegas, featuring a main event between welterweights Jon Fitch and Josh Burkman.  The main card was broadcast on the NBC Sports network and turned out to be a solid effort for a promotion in its infancy, but unfortunately for WSOF, the only thing people are talking about in the aftermath of the show is beleaguered referee Steve Mazzagatti. In case you missed it, the match-up between Fitch and Burkman is...