Atsushi KogaAtsushi Koga, sometimes translated erroneously as Jun Koga, is a Japanese former rugby union player who played as Centre.CareerAfter his graduation from Yamanashi Gakuin University, for whose rugby club he played, Koga joined Sanyo Wild Knights, where he played throughout all of his career until his retirement in 2008. He was also part of the 1999 Rugby World Cup squad, but he never had a cap for Japan.