Racing PositionsDortmund's Piszczek extends deal until 20207YStephan UersfeldPiszczek signs BVB contract extension8YStephan UersfeldAubameyang's double paces Dortmund8YStefan BuczkoDembele dazzles in win over Leipzig8YStefan BuczkoReus, Dortmund squander lead at Mainz8YStefan BuczkoLack of continuity plaguing Dortmund8YStefan BuczkoReus saves Dortmund late8YStefan BuczkoReus, Aubameyang fuel Dortmund8YStefan BuczkoPiszczek out of Dortmund-Schalke derby10YStephan Uersfeld