Vucinic had his medical last night, with Inter medical chief Franco Combi all but confirming the transfer.
"You already know everything...," he told waiting reporters late, last night.
Sportmediaset says the deal has been agreed in principle, though Inter are demanding around €3 million cash from Juve for the transfer to be settled.
"It's not done yet," said Juve GM Beppe Marotta, "but we'll see tomorrow."
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