The pair are in the Argentina squad taking on Croatia at West Ham's Upton Park.
"Representing my country is a huge honour for me," said Erik. "Playing alongside the likes of Messi - one minute you’re watching them on TV and the next you’re training and playing alongside them which is a real pleasure for me.
"I'm happy for myself and for Federico as well because we both got a call-up to the squad which is great but it’s not about resting on your laurels because it’s all about keeping consistent - day to day, week to week we have to keep our level of performance up.
"When you then get a chance with the national team you have to show that you’re worth your place and keep hold of it."
Our Belgian trio of Nacer Chadli, Mousa Dembele and Jan Vertonghen take on Iceland in a friendly while Dominic Ball is in the England Under-20 squad for the friendly against Canada at Bournemouth.