Centre Marcelo Bosch returns to Argentina's starting lineup in their only change for Sunday's World Cup semi-final against the Wallabies.
The Saracens midfielder is back from a one-match suspension to replace Matias Moroni, who drops out of the match 23.
Importantly, captain Agustín Creevy has also overcome a leg injury to take up his place at hooker.
In one change on the bench, Juan Figallo comes in for Juan Pablo Orlandi.
Argentina – 15 Joaquin Tuculet, 14 Santiago Cordero, 13 Marcelo Bosch, 12 Juan Martín Hernández, 11 Juan Imhoff, 10 Nicolas Sánchez, 9 Martin Landajo, 8 Leonardo Senatore, 7 Juan Martín Fernández Lobbe, 6 Pablo Matera, 5 Tomas Lavanini, 4 Guido Petti, 3 Ramiro Herrera, 2 Agustín Creevy (c), 1 Marcos Ayerza.
Subs: 16 Julian Montoya, 17 Lucas Noguera Paz, 18 Juan Figallo, 19 Matias Alemanno, 20 Facundo Isa, 21 Tomas Cubelli, 22 Jeronimo de la Fuente, 23 Lucas Gonzalez Amorosino.
Photo: Jean Catuffe/Getty Images