UFC on FX: Belfort vs. Rockhold
Cezar Ferreira was originally scheduled to face CB Dollaway.  However, on April 1, it was revealed that Dollaway had to withdraw from the bout due to injury and he was replaced by Chris Camozzi. Then on April 7, it was confirmed that Ferreira had pulled out of the fight as well, citing an injury and was replaced by Rafael Natal.