Former Japan forward Tatsuya Tanaka, who helped Urawa Reds capture multiple titles in the 2000s, will retire following the end of the season with Albirex Niigata, the J-League second-division club said Saturday. Known for his speed with the ball at his feet, Tanaka joined Reds in 2001 and became a mainstay of the Saitama Prefecture club, winning a league championship, two Emperor’s Cup and the Asian Champions League during his 12 seasons there. He moved to then first-division Niigata in 2013. Representing Japan at the 2004 Athens Olympics, he went on to play for the senior national team, scori…