Katsuma SameshimaKatsuma Sameshima is an active Japanese jockey of Thoroughbred race horses.IG katsuma_sameshimaTHR katsuma_sameshimaHistoryOn August 25, 2024, he won the 9th race at Chukyo with Kazupeto Sheen, becoming the 34th active jockey to achieve 500 JRA wins in his 6,656th race.