Racing PositionsDortmund's 'Ferrari' Reus difficult to stop - Sahin4YStefan BuczkoSahin leaves Dortmund to join Werder Bremen4YESPNKaka, Sahin, Alves, others join Harvard Business School's team4YChris WrightBorussia Dortmund's Nuri Sahin accepted into Harvard Business School4YChris WrightMarcel Schmelzer, Dortmund collapse in derby; UCL hopes now in jeopardy4YStefan BuczkoSahin: Dortmund players need to step up4YStephan UersfeldMaximilian Philipp, Nuri Sahin star as Dortmund thrash promoted Stuttgart4YStefan BuczkoSahin: 'No explanation' for Dortmund collapse5YStefan BuczkoSahin retires from international football5YStephan UersfeldBosz: Dortmund 'must win' with 2-goal lead5YESPN staff