Dragons RFC scrum half Gonzalo Bertranou is handed a start as Argentina face Samoa in Pool D of the Rugby World Cup on Friday at Stade Geoffroy-Guichard in Saint-Étienne (kick-off 4.45pm).
Head coach Michael Cheika has made just three changes to his starting XV from the team that lost 27-10 against England in the opening round, with Eduardo Bello coming into the front-row, Guido Petti into the second-row, and Matías Moroni into the midfield.
Argentina: 15 Juan Cruz Mallia, 14 Emiliano Boffelli, 13 Matias Moroni, 12 Santiago Chocobares, 11 Mateo Carreras, 10 Santiago Carreras, 9 Gonzalo Bertranou, 8 Juan Martin Gonzalez, 7 Marcos Kremer, 6 Pablo Matera, 5 Matias Alemanno, 4 Guido Petti, 3 Eduardo Bello, 2 Julian Montoya (c), 1 Thomas Gallo
Replacements: 16 Agustin Creevy, 17 Mayco Vivas, 18 Francisco Gomez Kodela, 19 Pedro Rubiolo, 21 Rodrigo Bruni, 22 Tomas Cubelli, 22 Nicolas Sanchex, 23 Lucio Cinti