10. Joao Mario : €40 Million.
The 23 year old Portuguese midfielder recently made a high profile move to Inter Milan with a staggering fee of €40 Million. Joao Mario previously played for Sporting CP and had an impressive last season with the Portuguese giants. He was also the part of Portugal’s historic Euro Cup triumph. Inter Milan have surely done their homework as they have managed to sign a player of this caliber and he will only help them improve.
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