And who is the worst?
ESPN FC asked their club bloggers for their all-time football tops and flops in the transfer market.
Let’s take a look at who they chose for Arsenal Football Club:
Thierry Henry.
An inconsistent winger from Juventus who went on to become arguably the greatest striker in Premier League history.
Gervinho.
Arsenal plumped for the Ivorian winger instead of pursuing his Lille teammate Eden Hazard. Fair to say Arsene Wenger got that one very wrong. — James McNicholas