Joshiro Maruyama justified his No. 1 seeding by dominating the men's 66-kilogram class at the Dusseldorf Grand Slam on Friday, as Japanese judoka took four of the five gold medals up for grabs on the opening day.The 25-year-old Maruyama took gold by beating South Korea's Kim Lim Hwan with an uchi-mata inner thigh throw in the final.The now five-time Grand Slam winner entered the meet knowing he was the man to beat and came prepared to face opponents who had studied his every move."I felt like I had been studied, so I bided my time to find the right moment to counterattack. I knew this was t…READ FULL ARTICLE