The 16-year-old has come to be known as one of Italy's most promising youngsters during his spells in the youth systems of both Crotone and Genoa.
Sources from the continent confirm that the Nerazzurri
have added the defender to their ranks after a lengthy series of
Fiorentina, Sampdoria and Roma - among others - were also after the youngster, who has starred for Italy at junior level.
Natalino will become part of the club's prestigious Allievi Nazionali youth set-up, which is overseen by Piero Ausilio.
The teenager was also linked with moves to Lecce and the Nerazzurri in the past and there was also interest from abroad.
Reports in Italy claim that Manchester city and Monaco were also after the player and the English club were ready to table an offer for him when Sven Goran Eriksson was in charge of the the side.
The talent from Lamezia will now be hoping to continue his impressive work at the Nerazzurri. His future seems bright as he is regarded as one of Italy's hottest prospects.