 Aldo was instead moved to a bout with the debuting Fredson Paixao at this event, though Paixao was later replaced by WEC newcomer Rolando Perez due to an injury.The Faber/Aldo matchup would eventually take place at WEC 48 the following year, where Aldo defended his then-WEC Featherweight Championship in a unanimous decision victory.Ed Ratcliff was originally slated to face WEC newcomer Anthony Njokuani at this event, but was forced from the bout with an injury and replaced by the debuting Ben Henderson.