USA coach Leon wants the 18-year-old to play for his side . Arsenal 's German-born midfielder played for Germany at youth level . Zelalem gained U.S. citizenship in December but needs FIFA 's permission . 18-year-old has yet to feature in a Premier League game for Arsenal .
USA coach Jurgen Klinsmann wants the 18-year-old to play for his side . Arsenal 's German-born midfielder played for Germany at youth level . Zelalem gained U.S. citizenship in December but needs FIFA 's permission . 18-year-old has yet to feature in a Premier League game for Arsenal .