The World Series of Fighting returns for its fourth event with WSOF 4: Spong vs. DeAnda, which takes place on Aug. 10 at Citizens Business Bank Arena in Ontario, Calif.
The main card was already set with Tyrone Spong (1-0) vs. Angel DeAnda (11-2), Marlon Moraes (10-4) vs. Brandon Hempleman (9-1), Ray Sefo (2-1) vs. Dave Huckaba (20-5), Tyson Griffin (16-6) vs. JZ Cavalcante (17-7-1), and Nick Newell (9-0) vs. Keon Caldwell (9-1), but the promotion recently fleshed out the preliminary bouts to complete the line-up.
WSOF officials recently added an intriguing lightweight bout between 14-year MMA veteran Antonio McKee (28-5-2) and undefeated Lewis Gonzalez (8-0) and a light-heavyweight match-up pitting Lew Polley (12-4) against Dutch standout Hans Stringer (21-5-2).
Additionally, Cleber Luciano product Joe Murphy (6-1) faces John Robles (7-1) in a bantamweight contest, and Isaac Gutierrez (5-3) faces Victor Valenzuela (12-6-2) in a 150-pound catchweight fight.
The four new bouts join a previously announced feature between welterweight star Jorge Santiago (25-11) and Gerald “Hurricane” Harris (21-5) on the evening’s five-fight preliminary card, which streams live on World Series of Fighting’s official website, WSOF.com, beginning at 8 p.m. ET / 5 p.m. PT. The live, two-and-a-half-hour NBC Sports Network telecast of the World Series of Fighting 4 main card begins at 10:30 p.m. ET / 7:30 p.m. PT.