UFC Veteran Chael Sonnen Announces Retirement From MMA After Failing Drug Test Just one day after it was revealed that he failed a random drug test last month in Las Vegas, Chael Sonnen is calling it a career.

Radio: 'Beatdown' TJ De Santis and Jeff Sherwood returned to the Sherdog Radio Network Monday for another edition of "Beatdown." On this edition of the show TJ and Jeff breakdown UFC 174, react to the positive drug test of Chael...

Cheap Seats: Chael Sonnen Discussion Jordan Breen and Greg Savage returned to the Sherdog Radio Network Tuesday for another edition of "Cheap Seats." On this episode Breen and Savage breakdown the news that Chael Sonnen has a failed a random drug test...

Report: Chael Sonnen Out of UFC 175 Following Failed Random Drug Test Less than one month out from UFC 175, Chael Sonnen has reportedly failed a random drug test administered in the state of Nevada and will no longer fight...

Vitor Belfort Reveals Failed February NAC Drug Test due to Elevated Testosterone UFC middleweight contender Vitor Belfort on Friday admitted to failing a random drug test administered by the Nevada Athletic Commission (NAC)...

Wanderlei Silva Calls UFC 175 Removal ‘A Big Confusion’ Wanderlei Silva spoke out on his removal from UFC 175 on Friday, two days after Ultimate Fighting Championship officials announced “The Axe Murderer” had been pulled from a planned clash with...

Russell Doane-Marcus Brimage Bantamweight Clash Targeted for UFC 175 in Las Vegas Russell Doane will square off with Marcus Brimage in a bantamweight clash at UFC 175.

Report: Vitor Belfort Replaces Wanderlei Silva, Faces Chael Sonnen at UFC 175 Chael Sonnen will reportedly face Vitor Belfort, not Wanderlei Silva, when he steps into the Octagon at UFC 175.

Top 5 Forum Threads of the Week Will Lyoto Machida become a two-division champion at UFC 175? | Photo: Dave Mandel/Sherdog.com Lyoto Machida believes he can answer...

Santos-Camozzi Back on for UFC 175; Smith Instead Gets Troeng at UFC Fight Night Dublin Despite a recent announcement to the contrary, it appears Bruno Santos will fight Chris Camozzi at UFC 175, after all.