World Series of Fighting 9: What to Watch For Steve Carl puts his welterweight title on the line for the first time against Rousimar Palhares on Saturday in Las Vegas.

Beatdown: Sefo, Moraes, Rettinghouse, Newell TJ De Santis and Jeff Sherwood returned to the Sherdog Radio Network Wednesday for another edition of "Beatdown." Joining them were World Series of Fighting 9 participants Marlon Moraes, Josh Rettinghouse, president Ray...

Redemptive Road Josh Rettinghouse draws on past failure has he prepares to challenge for the inaugural World Series of Fighting bantamweight championship.

Highlights from the World Series of Fighting 9: Carl vs. Palhares conference call (PRESS RELEASE) -- LAS VEGAS - World Series of Fighting hosted a media conference call on Tuesday with "World Series of Fighting 9: Carl vs. Palhares" headliners Steve Carl and Rousimar Palhares, as well as main-card competitors Marlon Moraes, Josh Rettinghouse, Josh...

SHOUT TV and World Series of Fighting team up to provide the "Champions Challenge" for fans (PRESS RELEASE) -- LAS VEGAS, - On March 29, when World Series of Fighting welterweight champion Steve Carl and challenger Rousimar Palhares...

Sherdog’s Official Mixed Martial Arts Rankings A new era has dawned in the welterweight division.

Source: NSAC Requires Palhares To Undergo Enhanced Testing World Series of Fighting brought in Rousimar "Toquinho" Palhares in hopes of adding a big name to their welterweight division. That addition has...

Ray Sefo: WSOF Eyeing International Events in Mexico City, Brazil, New Zealand, Australia The World Series of Fighting is hoping to expand further into international markets this year.

WSOF Canada: Ford vs. Powell airs TOMORROW, Feb. 28 on NBCSN (PRESS RELEASE) -- LAS VEGAS - World Series of Fighting Canada's first fight card of 2014 airs this Friday, Feb. 28, at 9:30 p.m. ET / 6:30 p.m....

Sherdog’s Official Mixed Martial Arts Rankings One year after Ronda Rousey's first UFC title defense, female bantamweights make their debut in Sherdog.com’s divisional rankings.