Zaza overpays all the time as well, no other team would pay 40for unproven Dybala and unknown Zaza...
He has pure negotiating skills, he overpays when he buys and sells off when he sells.
The ammount we gave away Tevez and Llorente was pathetic, comparing it with the one we would have payed to get them, if he was in the other side of negotiations...