World Series of Fighting 4 Results: Play-by-Play & Updates Sherdog.com reports from Citizens Bank Arena in Ontario, Calif., at 8 p.m. ET with live WSOF 4 updates.

Tyrone Spong, Angel DeAnda on Point for World Series of Fighting 4 Main Event Tyrone Spong wants a piece of the mixed martial arts pie.

Fans invited to Friday's World Series of Fighting 4 weigh-ins in ontario, Calif. (PRESS RELEASE) -- LAS VEGAS (Aug. 6, 2013) – It's fight week in Ontario, Calif., and fans are invited to attend Friday's "World Series of...

World Series of Fighting 4 Preview Kickboxing great Tyrone Spong ventures back into the MMA arena for the second time on Saturday in Ontario, Calif.

Fact Check: World Series of Fighting 4 Statistical anomalies and obscure tidbits precede the arrival of the World Series of Fighting’s latest offering on Saturday in California.

10 August Tussles Worth Watching World-ranked Marlon Moraes looks to continue his push in the bantamweight division at World Series of Fighting 4.

Bantamweight Chad ‘Robo’ Robichaux Signs with World Series of Fighting Chad Robichaux has signed a deal to compete for World Series of Fighting.

TYRONE SPONG VS. ANGEL DEANDA HEADLINES WORLD SERIES OF FIGHTING 4 ON AUG. 10 AT CALIFORNIA'S CITIZENS BUSINESS BANK ARENA (PRESS RELEASE) -- LAS VEGAS (July 3, 2013) – A light heavyweight showdown between world kickboxing champion turned unbeaten MMA upstart Tyrone Spong (1-0) and fellow hard-hitting knockout artist...

Ray Sefo-Dave Huckaba, Tyrone Spong-Angel DeAnda Added to WSOF 4 Bill World Series of Fighting President Ray Sefo will compete for the first time in more than two years when the former kickboxing standout meets fellow heavyweight Dave Huckaba on Aug. 10 at...

Tickets On Sale Tomorrow For World Series of Fighting In Ontario, Calif; Six Bouts Announced (PRESS RELEASE) -- LAS VEGAS, Nev. (June 20, 2013) –Tickets priced from $29, for the star-studded World Series of Fighting Mixed Martial Arts...