I'd rather have SMS than Jorginho, but I think it just depends on how you view Rovella. I personally think hes ready for Juve and is the prototypical regista (I've seen him play other roles but I didn't think he played them that well tbh)
If Jorginho comes I dont see much of a role for Rovella, I think Fagioli and Miretti are much more versatile. There are certain older players I would take though, and Jorginho is one of them. Theres value in the stability he would provide, and hes also never injured.
SMS fills a much bigger need though imo and is tailor made for Allegri.
Honestly, I would dump Rabiot, Arthur, and probably McKennie too. Easier said than done I know. But imagine
Loca-Rovella-SMS
Miretti, Fagioli, Zakaria