Liverpool have completed the signing of 17-year-old Argentine defender Emiliano Insua from Boca Juniors.
Benitez has signed a number for promising young players
The transfer for the full-back, a member of Argentina Under-20 squad, is subject to international clearance.
At Anfield Insua will link up with Argentine Under-20 teammate like Gabriel Paletta, who joined Liverpool from Banfield in the summer.
Insua's purchase is part of Liverpool boss Rafael Benitez's plan to sign a group of elite youngsters.