Chelsea have been told they can sign River Plate defender Emmanuel Mammana for a bargain fee of just £8million, Express Sport has revealed.
Italian TV channel SportItalia revealed last week that the player's agents were in London to reach an agreement with the Blues.
Internazionale and Napoli are also interested in the 20-year-old who is certain to leave the Argentine during this summer's transfer window.
The Partenopei are as equally determined to secure the services of the youngster with reports from Italy claiming that talks have been held between the two clubs.
In Argentina, the central defender is considered as one of the most promising players in the country.