Edgar was briefly linked to a December 2012 bout with Ricardo Lamas, but it was scrapped after Edgar replaced the injured Erik Koch to face champion José Aldo on October 13, 2012 at UFC 153[REF][REF] On September 11, Aldo pulled out of the match with a foot injury [REF].
The bout with Aldo was rescheduled for UFC 156, where Edgar lost to Aldo via unanimous decision (46-49, 46-49, 47-48).