David Branch will put his World Series of Fighting middleweight championship on the line when he battles Clifford Starks in the WSOF 30 main event on Saturday at the Hard Rock Hotel and Casino in Las Vegas. In the co-headliner, American Kickboxing Academy mainstay Jon Fitch collides with Joao Zeferino for the vacant WSOF welterweight crown. The rest of the four-fight main card features Vinny Magalhaes-Jake Heun and Abu Azaitar-Danny Davis Jr. A welterweight clash between the fast-rising Abubakar Nurmagomedov and the once-beaten Matthew Frincu anchors the prelims. These are the World Series of Fighting 30 fighters, in pictures: