8. Oriol Romeu, Age: 22
Chelsea picked up the classy young Spaniard from Barcelona in 2011 when it became clear that he would face a long wait to break into the starting XI there and enjoyed an impressive debut season in West London that saw him clock up 24 appearances across all competitions.
However, this season Jose Mourinho saw fit to loan him to Valencia and now faces a fight to get the player back as Los Che have been so impressed that they want to keep him for themselves.