Tomorrow night's Guilty Boxing show at the Orleans Hotel in Las Vegas has a last minute change in the opponent for heavyweight prospect Sultan Ibragimov.  According to Guilty Boxing, Jimmy Joseph is out and the undefeated Ibragimov's new opponent will be veteran Andy Sample, 32-10-2. Sample is coming off a third-round stoppage loss against another undefeated heavyweight, Leo Nolan in April. The co-main event will remain Sultan's cousin Timur Ibragimov, 18-0-1 against Rogerio Lobo, 34-12.-- Scott Shaffer