See which teams did the best transfer business this year by comparing the amount teams paid for players compared with their theoretical value.
The Football Observatory, an independent think-tank which analyses transfers across global football, has published its latest data on the value of the world’s top players.
By comparing how much a player is worth compared with how much a team paid for them, we can see whether a team got good value or not.
Goal compared the summer’s most expensive transfers with the value calculated by the Football Observatory, and came up with some pretty interesting findings.
10) Eliaquim Mangala – FC Porto to Manchester City
Paid: €52.8 Real Value: €19
OVERPAID BY €33.8m