From Iguillotine.com:
iGuillotine has learned in an interview with USKBA middleweight champion Nick Catone is expected to face Amir Sadollah at UFC Fight Night on Febuary 7 in Ultimate Fight Night 17 at the Palms Resort, Las Vegas, Nevada. Bout agreements between Catone and Sadollah has been signed and finalized.
The fight was originally scheduled for UFC 91 but Sadollah had to withdraw with an leg infection which left Catone with out an opponent for the event.