The summer transfer window finally shut last week, but now we get to find out who were the bargains and who were the busts.
But, with the huge sums of money currently in the game, there are some transfers that already look a little overpriced.
The CIES Football Observatory have taken a look at the business done and compared the transfer fees with their own estimate value of players – calculated using various characteristics and performance indicators.
So, who were the most overpaid for players, according to the boffins? Click the right arrow above to find out…