Complex sentence: Dunham was expected to face Edson Barboza on May 26,2012 at UFC 146, but was forced from the event with another injury and replaced by returning veteran Jamie Varner.
Split into simpler sentences: Dunham was expected to face Edson Barboza on May 26,2012 at UFC 146. However, Dunham was forced from the event with another injury and replaced by returning veteran Jamie Varner.