18) Yaya Sanogo
A striker who can’t score, Yaya Sanogo is the latest overrated Frenchman to be given far too many chances by Arsene Wenger, and he has since flopped on loan at Crystal Palace.
17) Kim Kallstrom
A short-term loan signing, Kim Kallstrom had a decent reputation before joining Arsenal, but didn’t do a great deal in his time with the club before returning to Spartak Moscow.