The match will kick off at Moscow's Spartak Stadium at 16:00 Moscow time (13:00 GMT) later on Saturday.
Argentina's starting XI:
Goalkeeper: Wilfredo Caballero;
Defenders: Nicolas Tagliafico, Marcos Rojo, Nicolas Otamendi;
Midfielders: Javier Mascherano, Eduardo Salvio, Lucas Biglia, Angel Di Maria, Maximiliano Meza;
Forwards: Sergio Aguero, Lionel Messi.
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Iceland's starting XI:
Goalkeeper: HannesThor Halldorsson;
Defenders: Birkir Mar Saevarsson, Ragnar Sigurdsson, Kari Arnason, Hordur Magnusson;
Midfielders: Johan Gudmundsson, Birkir Bjarnason, Gylfi Sigurdsson, Emil Hallfredsson, Aron Gunnarsson;
Forward: Alfred Finnbogason.
The 2018 World Cup takes place in Russia from June 14 until July 15.