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...

By the Numbers: UFC 137 Trademark aggression and crushing pace carried Nick Diaz, as he made a triumphant return to the Ultimate Fighting Championship at the expense of former two-division champion...

Matches to Make After UFC 137 In terms of reintroducing himself to the Ultimate Fighting Championship, Nick Diaz could not have scripted a better performance.

Nelson Compliments ‘Cro Cop’ in Croat’s Curtain Call A slimmed-down Roy Nelson took care of business on Saturday night, finishing Mirko Filipovic in the third round of their UFC 137 heavyweight affair.

Spectacular Diaz Batters Penn at UFC 137 Nick Diaz took out B.J. Penn and took aim at welterweight champion Georges St. Pierre.

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....

UFC 137 Preview: The Main Card A show that has been through a rash of upheavals and main-event changes, UFC 137 kicks off Saturday at the Mandalay Bay Events Center in Las Vegas with Nick Diaz squaring off against...

Sherdog’s Top 10: Signature ‘Cro Cop’ Moments As Mirko “Cro Cop” Filipovic’s storied career winds to its conclusion, he has no shortage of highs and lows to reflect upon.