Zaza is co-owned by the two clubs.
"These are assessments with Mr Conte has to do," agent Christian Maifredi told calcionews24.
"But I think in the game against Juventus last season he showed what a quality player he is. If he plays like that on a regular basis, then I have no doubt that he will be of interest to Juve.
"That's the goal, but I don't know if right now that is a viable option. I'd say that right now a move to Juve has a 30 per cent chance.
"But next season, that could be double - or maybe more."
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