Fact Check: World Series of Fighting 9 Statistical anomalies and obscure tidbits precede the WSOF’s return to Las Vegas on Saturday at the Hard Rock Hotel and Casino.

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.

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...

Yushin Okami Looking to ‘Make History’ in New Promotion, Aiming for WSOF Title When the UFC released Yushin Okami last September, it came as a bit of a shock.

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...

Week-in-Review: List of UFC, Bellator & Other Fights Announced A complete list of significant new fights reported in the past week.

UFC Veteran Yushin Okami Gets Svetlozar Savov for WSOF Debut on March 29 Yushin Okami now has an opponent for his World Series of Fighting debut.