Tadahito Iguchi (born December 4, 1974), nicknamed "Gucchi", is a Japanese former professional baseball second baseman and current manager of the Chiba Lotte Marines of NPB.
As a member of the Chicago White Sox in 2005, he became the first Japanese-born position player to win the World Series in 2005. Even though he was ineligible for their postseason roster he received a world series ring with the 2008 Phillies. Over the course of his carrier he played for the Chicago White Sox ,Philadelphia Phillies and San Diego Padres of MLB. He played for the Fukuoka SoftBank Hawks and the Chiba Lotte Marines of NPB.