5) Ferran Torres
Manchester City only paid £20.8m for the Spanish international who had a release clause almost four times that amount. With the player running down his contract, the Citizens were able to take advantage of the situation and get him for a bargain price.
Whether Torres will turn out to be a success at the Etihad Stadium, we shall have to wait and see but, with the winger still only 20 years of age, he certainly has the potential to become a top player.
