Herrera returns to beef up Pumas
Herrera replaces Santiago Garcia Botta, who started in the 30-24 win over Italy in Sante Fe last week.
Coach Daniel Hourcade has made one other change, bringing Javier Ortega Desio into the second row in place of Matias Alemanno - who suffered a left ankle injury against Italy.
Star centre Juan Martin Hernandez will be making his 60th appearance.
Argentina: 15 Joaquin Tuculet, 14 Santiago Cordero, 13 Matías Moroni, 12 Juan Martín Hernandez, 11 Manuel Montero, 10 Nicolas Sanchez, 9 Martín Landajo, 8 Facundo Isa, 7 Tomas Lezana, 6 Pablo Matera, 5 Javier Ortega Desio, 4 Guido Petti, 3 Ramiro Herrera, 2 Agustín Creevy (captain), 1 Nahuel Tetaz Chaparro.
Replacements: 16 Julian Montoya, 17 Santiago García Botta, 18 Enrique Pieretto, 19 Ignacio Larrague, 20 Juan Manuel Leguizamon, 21 Tomas Cubelli, 22 Santiago Gonzalez Iglesias, 23 Ramiro Moyano.
Date: Sunday, June 19
Venue: Estadio Monumental José Fierro, Tucumán
Kick-off: 18:10 (21:10 GMT, 23.10 CEST)
Referee: Johnny Lacey (Ireland)
Assistant referees: Stuart Berry (South Africa), Luke Pearce (England)
TMO: Johan Greeff (South Africa)
Agence France-Presse