Juventus football chief Fabio Paratici has set the price for Angelo Ogbonna.
The defender has been linked with Sevilla.
Paratici said: "If someone wants him, they have to make us a formal offer worth 15m. He has a contract until 2018 and will not be sold for less than 15m.
"Sevilla? They have never called us and we have not had any contact with them about this player."
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