The first batch of top-tier sumo wrestlers, including yokozuna Onosato, departed Tokyo on Saturday for London, where they will take part in the Japan Sumo Association's first overseas exhibition tour in 20 years."I'll fulfill my role and make it a good experience," the grand champion said at Haneda airport ahead of the first Grand Sumo Tournament to be held in the British capital since 1991.On the prospect of giving a speech at the event in English, Onosato said, "I haven't touched it at all, so I'll give my best go at it once I get there."The five-day tournament starting Wednesday will be …READ FULL ARTICLE