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.

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...

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...

World Series of Fighting 3 Preview In wake of his surprising Ultimate Fighting Championship release, Jon Fitch draws Josh Burkman in a main event rematch in Las Vegas.

WORLD SERIES OF FIGHTING HITS HARD ROCK HOTEL & CASINO LAS VEGAS (PRESS RELEASE) -- LAS VEGAS, Nev. (April 16, 2013) –World Series of Fighting will hit The Joint at Hard Rock Hotel & Casino in Las Vegas with a stacked world-class Mixed Martial Arts (MMA) event, headlined by a welterweight (170 pounds) rematch between superstars...

‘The Ultimate Fighter 17’ Finale Preview World Extreme Cagefighting alums Urijah Faber, Scott Jorgensen set to square off in Las Vegas, with plenty on the line.

Jon Fitch, Josh Burkman Set for Non-Title Bout at WSOF 3 in June Jon Fitch will make his World Series of Fighting Debut against Josh Burkman at the Las Vegas-based promotion’s upcoming third event.