The Uruguayan returned to Turin for his second stint at the club in January, but only after months of negotiations.
"The Caceres operation started in October," Beppe Bozzo told Tuttosport. "It was a difficult deal to do. The two clubs were maintaining their positions.
"However, the issue was resolved on December 23 after I had a lunch with the Sevilla club President.
"The boy never gave up, he strongly wanted Juventus - even if Paris Saint-Germain tried to enter the situation."