8) Vito Mannone
A backup goalkeeper for most of his time with Arsenal, Vito Mannone had one or two decent games but was on the whole far from good enough for the Gunners, and has also proven poor at new club Sunderland.
7) Lukasz Fabianski
Despite a bad start, Lukas Fabianski had a good end to his time with Arsenal, playing as their FA Cup goalkeeper and performing some penalty-saving heroics on their way to winning the competition in 2014.