Borussia Dortmund coach Jürgen Klopp said their embarrassing 3-0 defeat at Hamburg was "brought upon by ourselves", but Hakan Çalhanoğlu might beg to differ.
For Çalhanoğlu belted in a swerving 40-yard free-kick past Roman Weidenfeller in added time to pop the cherry on the icing on the cake for Hamburg.
