Marcos Ayerza will open the Rugby Championship and his countdown to the Rugby World Cup this weekend.The Leicester Tigers prop starts in the front row for Argentina – in his 58th cap – against New Zealand in Christchurch on Friday.   Argentina have never won a Championship fixture away from home after three campaigns and are chasing their first victory over the All Blacks in 20 attempts.   After the Rugby Championship, Los Pumas travel to Welford Road for the Marcos Ayerza International Challenge on Saturday, September 5 organised as part of his testimonial year. Tickets are available now from the Tigers ticket office. Book in person at reception at Welford Road, phone 0116 319 8888 (option 2) or click here to book online.   Argentina (v New Zealand): 15 Joaquin Tuculet, 14 Horacio Agulla, 13 Marcelo Bosch, 12 Jeronimo De la Fuente, 11 Santiago Cordero, 10 Nicolas Sanchez, 9 Tomas Cubelli; 1 Marcos Ayerza, 2 Agustin Creevy (c), 3 Ramiro Herrera, 4 Manuel Carizza, 5 Guido Petti, 6 Juan Manuel Leguizamon, 7 Juan Martin Fernandez Lobbe, 8 Facundo Isa Replacements: 16 Julian Montoya, 17 Lucas Noguera, 18 Nahuel Chaparro Tetaz, 19 Benjamin Macome, 20 Javier Ortega Desio, 21 Martin Landajo, 22 Santiago Gonzalez Iglesias, 23 Lucas Gonzalez Amorosino