Striker Paulo Dybala was in the Argentina squad for the friendly against Italy on June 1 at Wembley Stadium.
Dybala converted a penalty a minute from time to cancel out Edin Deko's first-half opener for Inter on Sunday.
Coach Lionel Scaloni included most of the players who won the Copa America in July, Argentina's first major title in almost 30 years.
Juventus won their 34th Serie A title and seventh in succession on Sunday with one game left this season.
Serie A: Paulo Dybala's hat-trick stretches Juventus lead over Benevento, inspired Fiorentina beat Roma
The Turin giants moved a step closer to a seventh straight Italian title, four days before they travel to Real Madrid needing to overturn a 3-0 deficit to reach the Champions League semi-finals.
Paulo Dybala inspired Juventus to a 3-0 win over Chievo on Saturday to keep the Serie A title-holders unbeaten.
Targeted by Barca even before his international teammate jumped ship, Coutinho ticks many of the boxes in Barca's search.