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.

A Study in Evolution After some trial and error, World Series of Fighting’s Marlon Moraes found his calling as a mixed martial artist at 135 pounds.

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.

Sherdog’s Official Mixed Martial Arts Rankings Jose Aldo is a champion capable of making adjustments on the fly.

Sherdog’s Official Mixed Martial Arts Rankings After 2,457 days, Anderson Silva’s reign atop the middleweight division has ended.

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...