Other - UFC 151 - Jones vs. Henderson - MMA H.E.A.T. brings you today's UFC media call announcing the cancellation of UFC 151: Jones vs Henderson.For the first time in the history of the Ultimate Fighting Championship(r), a UFC(r) champion has refused to face an alternative challenger after an injury to his original opponent, forcing the organization to cancel an event.After challenger Dan Henderson suffered a torn medial collateral ligament in his right knee, UFC light heavyweight champion Jon Jones refused an alternative opponen