Of the 10 biggest earners in world football over the last 12 months, we have two players from Manchester City (Sergio Aguero, Yaya Toure), two from Real Madrid (Kaka, Cristiano Ronaldo) and one from each of the following: Galatasaray (Didier Drogba), Santos (Neymar), Chelsea (Fernando Torres), Manchester United (Wayne Rooney), Barcelona (Lionel Messi) and Paris Saint-Germain (David Beckham).