Buenos Aires - Argentina prop Juan Figallo has pulled out of Saturday's Rugby Championship match against Australia in Rosario with a back injury.
The Montpellier forward is replaced in the team by Juan Pablo Orlandi while Matias Diaz goes on to the bench, the Argentine Rugby Union said in a statement.
Figallo was due to have been part of a pack unchanged for a second successive test.
15 Juan Martin Hernandez, 14 Horacio Agulla, 13 Marcelo Bosch, 12 Felipe Contepomi, 11 Juan Imhoff, 10 Nicolas Sanchez, 9 Martin Landajo, 8 Juan Manuel Leguizamon, 7 Pablo Matera, 6 Juan Fernandez Lobbe (captain), 5 Patricio Albacete, 4 Julio Farias Cabello, 3 Juan Pablo Orlandi, 2 Eusebio Guinazu, 1 Marcos Ayerza
Substitutes: 16 Agustin Creevy, 17 Nahuel Lobo, 18 Matias Diaz, 19 Manuel Carizza, 20 Benjamin Macome, 21 Tomas Cubelli, 22 Santiago Fernandez, 23 Lucas Gonzalez Amorosino