All UFC 137 Drug Screens Come Back Clean All 17 post-fight drug screens came back negative following UFC 137, the Nevada State Athletic Commission announced Thursday.

Diaz Banks Event-High $200,000 Paycheck at UFC 137 Nick Diaz took home $200,000 for his three-round, unanimous decision win over B.J. Penn, making the former Strikeforce welterweight champ the highest-paid fighter on Saturday’s...

UFC 137 Results and Play-by-Play Sherdog.com will report from the Mandalay Bay Events Center in Las Vegas at 6:15 p.m. ET with play-by-play and live results of UFC 137, which is headlined by a welterweight contest between B.J. Penn and...

Penn, Diaz Get UFC 137 Green Light When a knee injury forced welterweight king Georges St. Pierre to withdraw from the UFC 137 main event against Carlos Condit, he left a significant void behind. Enter former two-division champion B.J....

MMA's All-Time Heavyweights Sherdog.com staff lists the top 10 mixed martial arts heavyweights of all time.

The Doggy Bag: Fox of a Deal Everyone answers to somebody, so we, the staff at Sherdog.com, have decided to defer to our readers.

UFC 134 Preview: The Main Card As middleweight champion Anderson Silva continues to sail over the bar in his inimitable ways, it seems fitting that he defends his title next at UFC 134 on Saturday before his countrymen at the HSBC Arena...

Meet the TUF 14 Cast Thirty-two prospective fighters spread across two weight classes will vie for a pair of coveted UFC contracts on Season 14 of “The Ultimate...

Strikeforce Challengers 18 Results & Play-by-Play Sherdog.com will report from the Palms Casino Resort in Las Vegas at approximately 9 p.m. ET with play-by-play and live results of Strikeforce “Challengers 18,” which is headlined by a lightweight duel pitting Jorge Gurgel against...

Strikeforce Challengers 18 Preview Featuring the always-exciting Jorge Gurgel and Joe Duarte in the main event, Strikeforce Challengers 18 brings some MMA business to a busy...