World Series of Fighting 4: Spong vs. DeAnda is an upcoming mixed martial arts event to be held August 10, 2013 in Ontario, California, United States.
Official card
Main card
Light Heavyweight Tyrone Spong vs. Angel DeAnda
Lightweight Tyson Griffin vs. Gesias Cavalcante
Heavyweight Ray Sefo vs. Dave Huckaba
Bantamweight Marlon Moraes vs. Brandon Hempleman
Lightweight Keon Caldwell vs. Nick Newell
Preliminary Card (Sherdog.com)
Welterweight Gerald Harris vs. Jorge Santiago
Lightweight Antonio McKee vs. Lewis Gonzalez
Light Heavyweight Lew Polley vs. Hans Stringer
Bantamweight Jared Papazian vs. John Robles
Featherweight Isaac Gutierrez vs. Victor Valenzuela
Background
Tyrone Spong and Angel DeAnda were scheduled to fight at WSOF 3, However, on May 1, it was announced that Spong had been pulled from the card due to visa issues. On June 7, 2013, it was announced the bout will take place at this event.
On June 12, 2013, WSOF president Ray Sefo announced he will return to fighting at this event.
Former UFC vet Jared Papazian steps in for the injured Joe Murphy.
Aug 07 - updated fight card & background