Argentina have made a handful of changes for their game against Australia in Perth, one of them seeing Tomás Cubelli start at scrum-half.
The Brumbies nine comes in for Martin Landajo at the base as they look to build on a promising performance last week against New Zealand.
Juan Manuel Leguizamon, Santiago González Iglesias and Lucas Gonzalez Amorosino start in Javier Ortega Desio, Juan Martín Hernández and Matías Orlando's positions this Saturday, with Desio moving to lock in place of Guido Petti while Matías Moroni shifts from wing to centre.
Argentina: 15 Joaquín Tuculet, 14 Santiago Cordero, 13 Matías Moroni, 12 Santiago González Iglesias, 11 Lucas González Amorosino, 10 Nicolás Sánchez, 9 Tomás Cubelli, 8 Facundo Isa, 7 Juan Manuel Leguizamon, 6 Pablo Matera, 5 Matías Alemanno, 4 Javier Ortega Desio, 3 Ramiro Herrera, 2 Agustín Creevy (c), 1 Nahuel Tetaz Chaparro
Replacements: 16 Julian Montoya, 17 Lucas Noguera, 18 Enrique Pieretto, 19 Marcos Kremer, 20 Leonardo Senatore, 21 Martín Landajo, 22 Gabriel Ascarate, 23 Matías Orlando
Date: Saturday, September 17
Venue: nib Stadium, Perth
Kick-off: 20:05 local (10:05 GMT)
Referee: Wayne Barnes (England)
Assistant Referees: Nigel Owens (Wales), Nick Briant (New Zealand)
TMO: Ben Skeen (New Zealand)