http://www.mmajunkie.com/news/2013/0...-hans-stringer

With the official addition of four fights to the preliminary card, the next World Series of Fighting lineup is complete.

WSOF officials on Wednesday announced the full prelims for World Series of Fighting 4, which takes place Aug. 10 at Citizens Business Bank Arena in Ontario, Calif. The main card airs live on NBC Sports Network following prelims on MMAjunkie.com (www.mmajunkie.com).

WSOF 4's main card features a main event light heavyweight bout between kickboxing standout Tyrone Spong (1-0) and Angel DeAnda (11-2), plus the WSOF debut of promotion president Ray Sefo (2-1) against Dave Huckaba (20-5) at heavyweight.

The prelims feature recently announced bouts between Jorge Santiago (25-11) and Gerald Harris (21-5), and at lightweight, Antonio McKee (28-5-2) vs. Lewis Gonzalez (8-0).

New fights added to the card are light heavyweights Lew Polley (12-4) vs. Hans Stringer (21-5-2); Joe Murphy (6-1) vs. John Robles (7-1) at bantamweight; and Isaac Gutierrez (5-3) vs. Victor Valenzuela (12-6-2) at a 150-pound catchweight.
MAIN 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

PRELIMINARY CARD

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