"The Axe Murderer" accepts the challenge, says he'll do the fight if Sonnen accepts.
Robert Drysdale and Kevin Casey suspended after testing positive for PEDs in their latest UFC bouts.
Discussions are ongoing for a Machida vs. Rockhold fight at the end of the year.
Early estimates for the UFC 175 pay-per-view are in.
UFC statement regarding NSAC drug test failure of Kevin Casey and Robert Drysdale.
The numbers are in for UFC 175 prelims and TUF 19 Finale on FS1.
Rousey passes Johny Hendricks on the UFC P4P rankings.
UFC 175 Medical Suspensions - Weidman, Rousey, Faber, Hall, Doane and more out of action until 2015
Dana White backs up Rogan's defense that UFC's production team is to blame for the awkward question
Who got bonuses for "Fight of the Night" and "Performance of the Night" ?
Highlights from Chris Weidman's title defense against Lyoto Machida
Complete results of the UFC 175 pay-per-view.
UFC issues an official statement on Stefan Struve's condition
Highlights of a new interview with Russell Doane.
Watch episode five of the UFC 175 Embedded series.
Highlights of a new interview with Thiago Santos.
Highlights of a pre-UFC 175 interview with Matt Mitrione.
Complete results from the official weigh-ins for Saturday's UFC 175 PPV.
Full video archive of Friday's UFC 175 weigh-ins.
Watch episode four of UFC 175 Embedded.
Watch episode three of UFC 175 Embedded.
Days after saying she'd fight on 24-hours notice, Rousey says she'd fight two months in a row for UFC
Chris Wediman talks about possibly fighting Vitor Belfort, Chael Sonnen's issues and more
A detailed preview of this Saturday's UFC 175 pay-per-view.
Check out episode two of UFC's "embedded" video blog for UFC 175.