Paris Saint-Germain have completed the long-awaited signing of Giovani Lo Celso from Argentine club Rosario Central on a five-year deal.
The 20-year-old, who will be part of Argentina's Olympic team, will remain with Rosario on loan until January as part of the deal.
Lo Celso told the club's website he hopes to "follow in the footsteps" of countrymen Angel Di Maria and Javier Pastore at PSG.
"I will soon join one of Europe's most important clubs with a squad comprising numerous great players, including my compatriots Angel Di Maria and Javier Pastore," he said. "I hope to follow in their footsteps and become a key player for my future club.
Le @PSG_inside est heureux d'annoncer la signature du contrat de cinq ans de Giovani Lo Celso jusqu'au 30 juin 2021. pic.twitter.com/8henn4pjFI
- PSG Officiel (@PSG_inside) July 26, 2016
"I would like to thank Paris Saint-Germain for the faith they have shown in me, and also the club where I came through the ranks, Rosario Central, which allowed me to fulfil my dream of becoming a footballer."
The probing playmaker is new PSG coach Unai Emery's fourth signing since replacing Laurent Blanc last month.
In recent weeks, PSG have signed France winger Hatem Ben Arfa, Poland midfielder Grzegorz Krychowiak and Belgium right back Thomas Meunier.