Mark Munoz is out with an injury and Chael Sonnen will now take on Michael Bisping in a No. 1 contender bout at UFC on FOX 2, UFC president Dana White announced Tuesday.
A pair of middleweight bouts in Sonnen vs. Munoz and Bisping vs. Demian Maia had been originally scheduled for the Jan. 28 card in Chicago to accompany the light heavyweight main event featuring Rashad Evans and Phil Davis.
White didn't mention Maia's status on the card now that BIsping will meet Sonnen.
While matchup changes two weeks before a show is never ideal, Sonnen-Bisping was a matchup the UFC previously targeted. The two middleweights were in talks to coach against each other on The Ultimate Figher 14, but Jason "Mayhem" Miller was tapped to face Bisping due to the timing of Sonnen's legal issues.
Bisping (22-3), who is on a four-fight winning streak, defeated Miller by TKO last December at the TUF 14 Finale. Coming off the fight will little damage, Bisping soon after agreed to face Maia on the FOX card.
Sonnen (26-11-1) returned to action last October and submitted Brian Stann with an arm-triangle choke.
White has also made it clear the winner of Sonnen-Bisping will face champion Anderson Silva for the belt.
Chael Sonnen to Face Michael Bisping at UFC on FOX 2