Racing PositionsU.S.'s Gyau leaves Dortmund for third tier4YESPN staffU.S.'s Cameron: 'Sorry to see Jurgen go'4YESPN staffUSMNT's Gyau has second knee surgery6YU.S.'s Gyau needs second surgery on knee6YKnee to keep U.S.'s Gyau out until January7YAssociated PressDempsey, MLS vets join U.S.7YESPN staffGyau quickly emerging as one of United States' most exciting prospects7YDoug McIntyre