Marcus Aurelio has now been booked to take on Franca at the October 25th event in Chicago.
Sherdog today reported the injury and replacement.
Aurelio (16-6) was defeated in his most-recent bout by Tyson Griffin via unanimous decision at UFC 86 in July. He had previously posted back-to-back UFC wins over Luke Caudillo and Ryan Roberts.
Franca (18-7) has lost two-straight UFC bouts to Sean Sherk and, most-recently at UFC Fight Night 14 in July, Frank Edgar. Prior to the back-to-back losses Franca had won eight-straight bouts including victories over Jamie Varner, Nate Diaz, and Spencer Fisher.