Wednesday MMA: A TV Viewer’s Guide Wednesday 3:00 a.m. ET Sportsnet Pacific: UFC Central Hosted by "Showdown" Joe Ferraro. UFC highlights and news. 5:00 a.m. ET...

Tuesday MMA: A TV Viewer’s Guide Tuesday 3:30 a.m. ET Sportsnet Pacific: UFC Central Hosted by "Showdown" Joe Ferraro. UFC highlights and news. 2:00 p.m. ET...

Audio: UFC 161 Media Conference Call Rashad Evans, Dan Henderson, Roy Nelson, Stipe Miocic talk with the press ahead of UFC 161.

With No Replacement Opponent Found, ‘Shogun’ Rua Removed From UFC 161 Card Despite rumors to the contrary, Mauricio Rua will not be facing Chael Sonnen at UFC 161.

Light Heavyweights Lyoto Machida, Phil Davis Targeted for UFC 163 in Rio de Janeiro A key 205-pound showdown between Lyoto Machida and Phil Davis is expected to go down at UFC 163.

Report: ‘Minotoro’ Nogueira Out of UFC 161 Bout With Rua; UFC Seeks Replacement A herniated disk has forced Antonio Rogerio Nogueira out of his co-main event bout with Mauricio Rua at UFC 161.

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...

James Krause Tapped to Replace Injured Isaac Vallie-Flagg Against Sam Stout at UFC 161 James Krause will fill in for an injured Isaac Vallie-Flagg against Sam Stout at UFC 161, promotion officials announced Wednesday.

Back Injury Forces Isaac Vallie-Flagg Out of UFC 161 Showdown With Sam Stout Isaac Vallie-Flagg has suffered a back injury and has been forced to withdraw from his UFC 161 matchup with Sam Stout.

Monday Morning Reverie: An Air of Inevitability Another Cain Velasquez-Junior dos Santos rematch seems certain, but others could rise up to challenge the champion.