9. Robin van Persie
Next up is a forward who was signed by Arsenal as an unknown, but then blossomed into one of the best players in the world and moved to Manchester United in 2012 to help Sir Alex Ferguson win his last ever title.
9. Robin van Persie
Next up is a forward who was signed by Arsenal as an unknown, but then blossomed into one of the best players in the world and moved to Manchester United in 2012 to help Sir Alex Ferguson win his last ever title.