Juventus are watching Porto defender Rolando.
The Bianconeri are reinforcing their squad for the Champions League, so Coach Antonio Conte and director of sport Fabio Paratici are both in Poland and Ukraine to scout new players.
"Rolando's price-tag is around 15m," said agent Francesco Nicolato.
"I know that Juventus have been following him for over a year, but if the Bianconeri were seriously interested, then I doubt they'd have problems buying him."