He told Italian newspaper Gazzetta dello Sport: "The economics of the deal explains why. Pogba will show his worth with Manchester United as you can’t question his ability.
"However if he doesn’t impress in every match, there will be questions.
"When people see certain numbers they think he must win matches on his own, and that isn’t possible.
"Nobody is worth that amount. Every player is overvalued. When you hit certain numbers the gap with reality becomes very noticeable.
"You are talking about a deal worth €150m in total. The pressure on him will be enormous."
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