Read moreDaiya Seto Picks Ex-Swimmer & Classmate Ryuichiro Ura, 25, As His 'New Mentor'27 May 2020Daiya Seto, Japan's top shot at gold in the pool at a home Tokyo 2020 Olympics in 2021, has stunned his sport and nation by appointing a former classmate as his new mentor in the pool. Seto, who parted company last month with longtime coach Takayuki Umehara towards the end of a winter that saw him ....