Japan's Daiya Seto took the next step in his quest for a third straight 400-meter individual medley world championship on Wednesday, when he departed for training in Europe ahead of July's worlds.In the buildup to the worlds in Budapest, attention is focusing on the competition between Seto and compatriot Kosuke Hagino, the Rio Olympics 400 IM champ."I am confident," Seto told reporters at Narita airport outside Tokyo. "I am going to make maximum use of all the work I've put in."Things have been going well for Seto so far this year. After beating Hagino in the 400 IM at the nationals in Apr…READ FULL ARTICLE