7) Claudio Pizarro
One of the best foreign players to ever grace the Bundesliga, Claudio Pizarro has had a great career in several spells with Werder Bremen and Bayern Munich, but he did barely anything in his single season with Chelsea.
8) Roberto Soldado
A goal machine during his time with Valencia, Roberto Soldado cost Tottenham £26m but looked completely hopeless in his time at White Hart Lane, though he is now firing them in again since returning to Spain with Villarreal.