The 25-year-old Paris Saint-Germain midfielder provided the difference after teammate Sergio Aguero, a forward for Manchester City, scored in the eighth minute and Miller Bolanos equalized in the 24th minute.
The match, played before 48,000 spectators on the home field of American football’s New York Giants and New York Jets, served as a warm-up for both clubs for the upcoming Copa America last this year in Chile.
Argentina improved to 18-4 with 10 drawn in the rivalry with Ecuador.
Argentina completed a two-game US stand undefeated. The “Albiceleste”, or White and Sky Blue, defeated El Salvador 2-0 three days earlier.