Marcos Ayerza is among five Aviva Premiership-based players named in Argentina's 31-man squad for the Rugby World Cup.Leicester Tigers prop Ayerza, who has 60 caps and is enjoying a testimonial year which climaxes with a match between his club and Los Pumas at Welford Road on September 5, is heading towards his third World Cup.   Newcastle Falcons centre Juan Pablo Socino, Bath wing Horacio Agulla, Saracens centre Marcelo Bosch and lock Mariano Galarza of Gloucester are the other English-based players included in the squad by coach Daniel Hourcade. The Pumas contest Pool C alongside New Zealand, Tonga, Georgia and Namibia, beginning with a match against the All Blacks at Wembley on September 20. Tickets for the Marcos Ayerza Testimonial Challenge at Welford Road are available now. Click here to book online, call in at reception in the MET-Rx Stand or phone 0116 319 8888 (option 2). Argentina squad Horacio Agulla, Matías Alemanno, Marcos Ayerza, Marcelo Bosch, Santiago Cordero, Agustín Creevy, Tomás Cubelli, Jerónimo de la Fuente, Matías Díaz, Juan Martín Fernández Lobbe, Lucas González Amorosino, Santiago González Iglesias, Juan Martín Hernández, Ramiro Herrera, Juan Imhoff, Facundo Isa, Martín Landajo, Tomás Lavanini, Juan Manuel Leguizamón, Pablo Matera, Julián Montoya, Matías Moroni, Lucas Noguera, Javier Ortega Desio, Guido Petti Pagadizabal, Nicolás Sánchez, Leonardo Senatore, Juan Pablo Socino, Nahuel Tetaz Chaparro, Joaquín Tuculet, Mariano Galarza.