Top 5 Stories of the Week

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Forrest Griffin has fought his last bout as a mixed martial artist.

Ultimate Fighting Championship President Dana White announced the former light heavyweight champion’s retirement from active competition on May 25 following UFC 160 at MGM Grand Garden Arena in Las Vegas, revealing that Griffin will remain with the company in a front-office role, a la Chuck Liddell and Matt Hughes.

“Forrest Griffin has been a huge star for us,” White said. “Anytime we’ve ever needed Forrest Griffin, he’s been there for us. He will stay with this company at least for the rest of my life.”

Griffin began his professional career in 2001, debuting with a loss to future UFC hall of famer Dan Severn. He won nine of his next 10 before joining the cast of “The Ultimate Fighter,” winning the show’s inaugural season by topping Stephan Bonnar in a highly publicized barnburner on live TV in 2005. The light heavyweight then won five of his next seven bouts, capping that stretch with an upset of Pride Fighting Championships standout...

Sherdog’s Official Mixed Martial Arts Rankings When it came to defending his title at UFC 160, Cain Velasquez was more than able.

Former UFC Champ Forrest Griffin Announces Retirement Forrest Griffin has fought his last bout as a mixed martial artist.

Anderson Silva Responds to UFC’s $50K Fine; ‘Spider’ Says He Was Unaware of Obligations According to Anderson Silva, he was not aware of the media obligations that ended up costing him $50,000 on Tuesday....

Anderson Silva Fined $50,000 for Skipping UFC 162 Media Appearances The Ultimate Fighting Championship has issued a fine of $50,000 to middleweight champion Anderson Silva....

Smartest Guy at the Bar: UFC 159 Edition The busiest month in UFC comes to a close with Jon Jones defending his 205-pound title against Chael Sonnen.

Viewpoint: The Power of Hype Uriah Hall’s performance at “The Ultimate Fighter 17” Finale reminded us all to err on the side of reality.

Sherdog.com’s Pound-for-Pound Top 10 The beginning of February saw Jose Aldo knock Frankie Edgar from these rankings, and the month claimed another pound-for-pounder before it was...

Sherdog.com’s Pound-for-Pound Top 10 Who is going to stop Jose Aldo?

Sherdog.com’s 2012 Story of the Year Injuries plagued the sport, culminating with the historic cancellation of UFC 151.