After seeing his debut world title bout end in controversy on Saturday against Hassan N'Dam, London Olympic gold medalist Ryota Murata believes there is some unfinished business in his career. "After London I felt I've done enough after winning the gold, but I'm not feeling like that this time," Murata, who lost a split decision to the Frenchman in the WBA middleweight fight, said Monday. Two judges scored 115-112 and 116-111 in favor of N'Dam at Ariake Coliseum, while the last had Murata at 117-110 in a bout in which N'Dam was floored in the fourth round. WBA President Gilb…READ FULL ARTICLE