Former WEC Light Heavyweight Champion Brian Stann has been pulled from his UFC on Fox IV fight against Hector Lombard after suffering an undisclosed injury. This fight was scheduled to be the main event of the show, no word on who will replace Stann or how this will affect the fights position on the main card. Lombard will be making his UFC debut in this fight, as he was previously the Bellator Middleweight Champion. UFC on Fox IV takes place on August 4th at the Staples Center in Los Angeles, California with Hector Lombard in the main event.