Marcos Ayerza has been ruled out of the Rugby World Cup Bronze Medal Final after suffering a hamstring injury.Argentina have confirmed that the Leicester Tigers prop  suffered a grade 1 tear in the hamstring during training on Thursday morning at London Irish.   His place in the match against South Africa at the Olympic Stadium on Friday evening will go to Juan Figallo, with Santiago García Botta called up to the squad as an injury replacement and named on the bench.   Argentina: 15 Lucas Gonzalez Amorosino, 14 Santiago Cordero, 13 Matias Moroni, 12 Jeronimo De La Fuente, 11 Horacio Agulla, 10 Nicolas Sanchez (c), 9 Tomas Cubelli; 1 Juan Figallo, 2 Julian Montoya, 3 Ramiro Herrera, 4 Matias Alemanno, 5 Tomas Lavanini, 6 Javier Ortega Desio, 7 Juan Martin Fernandez Lobbe, 8 Juan Manuel Leguizamon Replacements: 16 Lucas Noguera, 17 Santiago García Botta, 18 Juan Pablo Orlandi, , 19 Guido Petti, 20 Facundo Isa, 21 Martin Landajo, 22 Santiago Gonzalez Iglesias, 23. Juan Pablo Socino