Messi, who plays for Major League Soccer club Inter Miami, was left out of Argentina's squad for their World Cup Qualifiers against Chile and Colombia in August due to the injury which he sustained during the Copa America final.
The 26-year-old Maffeo, born to an Argentine mother, is joined by Olympiakos left-back Francisco Ortega as newcomers for the World Cup champions' home game against Uruguay on Thursday and their trip to Brazil five days later.
Messi, who plays for Major League Soccer club Inter Miami, was left out of Argentina's squad for their World Cup Qualifiers against Chile and Colombia in August due to the injury which he sustained during the Copa America final.
The 26-year-old Maffeo, born to an Argentine mother, is joined by Olympiakos left-back Francisco Ortega as newcomers for the World Cup champions' home game against Uruguay on Thursday and their trip to Brazil five days later.