14. Atletico Madrid
Atletico Madrid have been masters in making profits on their investments over the last few seasons, with both Sergio Aguero and Radamel Falcao having been sold for fees far more significant than for which they were bought.
Aguero joined Manchester City for £38 million, a record acquisition for the Premier League club, while Atletico were able to make a profit of €20 million on Falcao after had spent only two seasons at the Vicente Calderon.
Diego Costa could next goalscorer to fly the Atletico nest for a hefty sum, with the Brazilian-cum-Spaniard linked with the likes of Chelsea and Manchester United.