Onosato held off fellow yokozuna Hoshoryu to clinch his fifth Emperor's Cup in a sensational championship playoff Sunday at the Autumn Grand Sumo Tournament.Each seeking a first title since being promoted to the top rank, the two stars gave sumo fans a long-awaited championship battle between yokozuna on the final day of a 15-day tournament.Trailing Onosato by one win overnight, Hoshoryu forced the winner-take-all playoff at Tokyo's Ryogoku Kokugikan arena with a push-out victory in the last scheduled bout that left the pair tied at 13-2.The Mongolian-born grappler, winner of six of their e…READ FULL ARTICLE