Alessio Romagnoli, with the centre-back penning a deal through 2020 with the Serie A giants, per the club's Twitter account.
Financial terms of the deal have not been disclosed.
Romagnoli spent last season on loan at Sampdoria. He excelled, appearing 30 times in Samp's seventh-placed campaign, scoring twice and providing two assists, per WhoScored.com. The youngster is a huge talent and has drawn comparisons to the legendary Alessandro Nesta. He is already quite experienced for such a young defender, per Opta:
43 – Alessio Romagnoli has played 43 games in Serie A, at the same age Alessandro Nesta had 41 apps.