The German, who featured for Liverpool during the 2000-01 season before playing for Tottenham from 2001 to 2004, has been appointed as an assistant coach at Borussia Dortmund.
The German, who featured for Liverpool during the 2000-01 season before playing for Tottenham from 2001 to 2004, has been appointed as an assistant coach at Borussia Dortmund.