10 November Tussles Worth Watching Mamed Khalidov will challenge Michal Materla for the KSW middleweight championship on Nov. 28 in Krakow, Poland.

10 December Tussles Worth Watching Bibiano Fernandes will defend his One Fighting Championship bantamweight title against an unbeaten challenger on Dec. 5 in Manila, Philippines.

Fact Check: World Series of Fighting 13 Statistical anomalies and obscure tidbits precede the WSOF’s arrival in the Keystone State on Saturday in Bethlehem, Pa.

Sherdog’s Top 10: World Series of Fighting Finds Since its inception in 2012, the World Series of Fighting has carved out a niche in the mixed martial arts world by grooming top prospects and...

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.

Viewpoint: Nostalgia vs. Speculation The World Series of Fighting has to strike a balance between the old guard and new breed, writes Tristen Critchfield.

World Series of Fighting 2 Preview Former UFC heavyweight champion Andrei Arlovski collides with Anthony Johnson in the fledgling promotion’s sophomore outing.

The Doggy Bag This week, readers have a slew of question about recent developments in the MMA world, including the sudden resurgence of Tito Ortiz and his rematch with Rashad Evans at UFC 133, a Dominick Cruz-Urijah Faber rubber match, Scott Coker’s new role, Melvin Guillard and Carlos...

The Weekly Wrap: Oct. 23 - Oct. 29 In the definition of a star-making performance, Cain Velasquez put down the UFC's top draw on Oct. 23 to become the organization's heavyweight...

Sherdog Official Mixed Martial Arts Rankings Regardless of promotion or location, September belonged to the featherweights.