Five most expensive teenagers in football history: £36m Man United new boy & PSG FLOP feature

3. Lucas Moura (Sao Paulo to Paris Saint-Germain, £28m)

The Brazilian joined Paris Saint-Germain near the beginning of its Qatar-backed revolution, and it’s fair to say he hasn’t lived up to his mammoth £28m fee.

Moura has struggled to nail down a first-team spot in Laurent Blanc’s star-studded midfield.