Event: World Series of Fighting 4 (WSOF 4); 
Data: sobota, 10 sierpnia 2013; 
Lokalizacja: Ontario, USA; 













Karta walk

Main event
Tyrone Spong (1-0) vs Angel DeAnda (11-2)

Główna karta
Gesias Cavalcante (17-7) vs Tyson Griffin (16-6)
Ray Sefo (2-1) vs Dave Huckaba (20-5)
Jorge Santiago (25-11) vs Gerald Harris (21-5)
Marlon Moraes (10-4) vs Brandon Hempleman (9-1)
Nick Newell (9-0) vs Keon Caldwell (9-1)
Hans Stringer (21-5) vs Lew Polley (12-4)
Antonio McKee (28-5) vs Lewis Gonzales (8-0)
John Robles (7-1) vs Jared Papazian (15-10)
Isaac Gutierrez (5-3) vs Vicotr Valenzuela (12-6-2)