Gonzalo Higuain has returned to the Argentina attack for tonight's World Cup clash with Iran.
The striker had to settle for a place on the bench for the team's opening win over Bosnia-Herzegovina.
Argentina coach Alejandro Sabella has made one other change, with Fernando Gago coming into the starting XI. Hugo Campagnaro and Maxi Rodriguez both miss out.
Meanwhile, Iran have made one change following their goalless draw with Nigerian as Masoud Shojaei replaces Khosro Heydari.
Argentina: Romero; Garay, Zabaleta, Gago, Di Maria, Higuain, Messi, Mascherano, Rojo, F Fernandez, Aguero
Iran: Haghighi; Haji Safi, Hosseini, Sadeghi, Nekounam, Shojaei, Timotian, Montarezi, Ghoochannejad, Dejagah, Pooladi
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