Paris Olympics hopeful Ryuju Nagayama topped the podium Friday as Japan claimed three gold medals on the opening day of judo's Hungary Masters.Nagayama was victorious in the men's 60-kilogram class, and Wakana Koga took women's 48-kg gold, while Ryoma Tanaka won the men's 66 kg.Nagayama scored two waza-ari to beat Mongolia's Enkhtaivan Ariunbold in the final after Tokyo Games gold medalist and Paris Olympic selection front-runner Naohisa Takato took bronze in the wake of a quarterfinal defeat."While being careful of mistakes, I wanted to aim for throws with attacking judo in the final," sai…READ FULL ARTICLE