"I want to thank all the fans for having waited for me," he grinned. "It's a very important day for me and I want to do my best here. Forza Lazio!

"I dreamed of coming to Italy and I chose Lazio because I liked the club and its tradition of Argentine players.

"I am proud to be a part of this team and I hope to play a big role. Who are my idols? Santiago Canizares, Julio Sergio and Gigi Buffon."