Marquardt out of tomorrow night's show (updated)

We just got a report that Nate Marquardt is out of tomorrow night's UFC on Versus show where he was scheduled to headline against Rick Story.

The reason given was a medical issue that he couldn't get Athletic Commission clearance on.  We were told that the issue did not have to do with Marquardt cutting weight.  Charlie Brenneman will face Story on the show.

Pat Barry vs. Cheick Kongo has been moved to the main event spot.

Who would you have the most interest in for Fabricio Werdum's next title defense?