8. Willian | Chelsea
Chelsea splashed out £32m to bring Brazilian attacking midfielder Willian to Stamford Bridge from Anzhi Makhachkala - an awful lot of money for a player who has completed just two 90-minute Premier League matches so far this season.
The 25-year-old has scored just one league goal for Chelsea so far - and has failed to contribute an assist - which is disappointing because he's capable of much, more more.
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