Sherdog’s Official Mixed Martial Arts Rankings It is now safe to say Cain Velasquez has Junior dos Santos’ number.

Lightweight sensation Nick Newell returns to the decagon on Dec. 7 for World Series of Fighting 7 at Vancouver's PNE Agrodome (PRESS RELEASE) -- LAS VEGAS (Oct. 17, 2013) - The eye-catching and undefeated lightweight "Notorious" Nick Newell (10-0) will participate in World Series of Fighting's first fight card north of the American...

WSOF Acquires Aggression FC, Makes Canadian Debut Dec. 7 in Vancouver World Series of Fighting has acquired the Alberta-based Aggression Fighting Championship and will make its Canadian debut this December with WSOF 7.

Sherdog’s Official Mixed Martial Arts Rankings Jon Jones may be human after all.

UFC 165 ‘Jones vs. Gustafsson’ Preview Jon Jones looks to defend his light heavyweight crown for a record sixth time, as he faces Alexander Gustafsson on Saturday in Toronto.

Former UFC Champion Andrei Arlovski Decisions Mike Kyle in WSOF 5 Headliner Andrei Arlovski pulls out a hard-fought unanimous decision over Mike Kyle at World Series of Fighting 5 in Atlantic City.

World Series of Fighting 5: Fact Check The World Series of Fighting touches down in Atlantic City, N.J., on Saturday, with statistical anomalies and obscure tidbits in tow.

World Series of Fighting 5 Preview Former UFC heavyweight champion Andrei Arlovski headlines his third WSOF event, this time against Mike Kyle in New Jersey.

Georgi Karakhanyan-Waylon Lowe Featherweight Tilt Completes WSOF 5 Main Draw A featherweight showdown between UFC veteran Waylon Lowe and former Bellator talent Georgi Karakhanyan has been added to the World Series of...

Sherdog’s Official Mixed Martial Arts Rankings It is unusual for a fighter to remain unranked after beating a top 10 opponent, but then again, Chael Sonnen is not your usual fighter.