A rematch for the WEC Middlweight Championship between champion Paulo Filho and Chael Sonnen was advertised for this event, but Filho dropped out three weeks prior to the fight for personal reasons. Sonnen remained on the card, and instead faced Bryan Baker, who was pulled from an undercard bout with Logan Clark to face Sonnen. Clark's new opponent was WEC newcomer Scott Harper. The Filho/Sonnen rematch was later rescheduled for WEC 36 in November 2008, where Sonnen defeated Filho in a non-title match, after Filho failed to make weight.
The event drew an estimated 549,000 viewers on Versus.