1. Thierry Henry – Juventus, 1999, £11m
An expensive purchase when he arrived from Turin as a skinny winger, the Frenchman would go onto become arguably the best striker the league has ever seen.
Like van Persie a few years later Wenger converted Henry from a wide player to a lethal finisher and is considered by many as the club’s best ever player.
SEE ALSO: Arsenal transfer gossip.
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