Four new fights to the preliminary card make the World Series of Fighting (WSOF) 4 show complete.
Added to the card is light heavyweights Lew Polley vs. Hans Stringer, bantamweights Joe Murphy vs. John Robles and a 150 pound catchweight bout with Isaac Gutierrez vs. Victor Valenzuela.
The show is headlined with kickboxing star Tyrone Spong in his second MMA fight.
WSOF 4 is August 10 from the Citizens Business Bank Arena in Ontario, CA. The main card airs live on the NBC Sports Network.
Below is the completed card.
Tyrone Spong vs. Angel DeAnda
Brandon Hempleman vs. Marlon Moraes
Dave Huckaba vs. Ray Sefo
Keon Caldwell vs. Nick Newell
Gesias Cavalcante vs. Tyson Griffin
Gerald Harris vs. Jorge Santiago
Lewis Gonzalez vs. Antonio McKee
Lew Polley vs. Hans Stringer
Joe Murphy vs. John Robles
Isaac Gutierrez vs. Victor Valenzuela