Lazio seal the signing of Barcelona duo
The Aquile have had success with their previous dealings wiht La Masia with Balde Keita, a former Barcelona youngster, making a breakthrough in the Lazio first team last campaign.
Sky Sport Italia report that 18 year old Muns and 16 year old Fabra have arrived in Rome ready to sign a contract, subject to medicals.
The moves come hot on the heels of Lazio agreeing a deal for Feyenoord and Holland star Stefan de Vrij as the Biancocelesti look to improve on their ninth place finish last season.