Manchester City fullback Pablo Zabaleta, fresh from winning the FA Cup in England, plus Nicolas Otamendi and Fernando Belluschi, both members of FC Porto's Europa League-winning squad, were named on the list by coach Sergio Batista on Wednesday.
All of the players were based in Europe except for Independiente goalkeeper Adrian Gabbarini and midfielder Mario Bolatti, who played for Internacional in Brazil.
The games are in Abuja, Nigeria then Warsaw, Poland.
Goalkeepers: Oscar Ustari (Getafe), Adrian Gabbarini (Independiente)
Defenders: Federico Fazio (Seville), Mateo Mussacchio (Villarreal), Ezequiel Garay (Real Madrid), Nicolas Otamendi (Porto), Pablo Zabaleta (Manchester City), Marcos Angeleri (Sunderland), Alejandro Cabral (Legia Warsaw), Emiliano Insua (Galatasaray).
Midfielders: Nicolas Bertolo (Zaragoza), Alberto Costa (Valencia), Pablo Piatti (Almeria), Nicolas Gaitan (Benfica), Fernando Belluschi (FC Porto), Franco Jara (Benfica), Mauro Formica (Blackburn), Mario Bolatti (Internacional).
Forwards: Diego Perotti (Seville), Marco Ruben (Villarreal), Mauro Boselli (Genoa), Jonathan Cristaldo (Metalist)