4. Claudio Pizarro
Well, after having been a success at Bayern Munich and winning three titles with Bayern Munich the German thought it was time for a new challenge and chose Chelsea football club but, the striker didn’t make it at the club like he did with Bayern Munich.
He first challenge with Chelsea started off with a penalty miss in the community shield but managed to score on his Premier League debut. However, after the departure of Jose Mourinho, Pizarro found himself out of the team after the arrival of Nickolas Anelka at the club.
The following season he was loaned back to Werder Bremen before leaving the club finally. He left Chelsea with only 2 goals in 32 matches for the club.