When it's an obligation, we mention that in the press release. Even when it's an option that turns into an obligation. That said, unless he gets injured and misses a big chunk of this season and next, we'll buy him.
I'd take Hysaj, but Sarri?
No thanks. He might be a good coach (that plays fancy football, knowing he doesn't have to win shit), but he's such a bitter peasant. No Juventus material.