10) Stewart Downing (Liverpool)
A £20m signing from Aston Villa, Stewart Downing was painfully average for Liverpool, getting precisely zero goals and zero assists in his first season.
9) Juan Sebastian Veron (Manchester United)
Signed for £28m after being world class for Lazio, Juan Sebastian Veron remains one of the all-time great Premier League flops, looking nowhere near his best at any point in a United shirt.