The Jaguares have named experienced centre Juan Martin Hernández in their starting line-up for their game against the Highlanders on Saturday.
Matías Moroni drops out of the side to make way for Hernández with Jerónimo de la Fuente pushing out to the number 13 jersey this week.
Elsewhere it is an unchanged backline from the one that beat the Bulls last Saturday, which was only the team's third victory of the season.
Changes are also limited in the forward pack too as Javier Ortega Desio replaces Guido Petti in the second-row for the game at Velez Sarsfield,
Jaguares: 15 Joaquín Tuculet, 14 Santiago Cordero, 13 Jerónimo de la Fuente, 12 Juan Martin Hernández, 11 Manuel Montero, 10 Nicolás Sánchez, 9 Martín Landajo, 8 Facundo Isa, 7 Juan Manuel Leguizamón, 6 Pablo Matera, 5 Tomás Lavanini, 4 Javier Ortega Desio, 3 Ramiro Herrera, 2 Agustín Creevy (c), 1 Nahuel Tetaz Chaparro
Replacements: 16 Julián Montoya, 17 Santiago García Botta, 18 Enrique Pieretto, 19 Ignacio Larrague, 20 Marcos Kremer, 21 Gonzalo Bertranou, 22 Matías Orlando, 23 Lucas González Amorosino
Date: Saturday, July 9
Venue: Velez Sarsfield, Buenos Aires
Kick-off: 18:40 local (21:40 GMT)
Referee: Angus Gardner
Assistant Referees: Rohan Hoffmann, Federico Anselmi
TMO: Santiago Borsani