 Martínez akatamba neArgentina U21 squad pa2012 Pan American Junior Championship, 2013 Sultan of Johor Cup uye 2013 Junior World Cup asati aita kutanga kwake kwechikwata chikuru muna 2014 pa2014 South American Games. Akakunda menduru yegoridhe mumutambo iwoyo ndokuita zvibodzwa zvina. Aivewo chikamu chechikwata cheArgentina chakahwina menduru yebronze pa2014 World Cup, yaive mukombe wake wepasi rose wekutanga. Muna 2018 akasarudzwa ku2018 World Cup, kwaakarova zvibodzwa zviviri mumitambo mina. Muna Chikunguru 2019, akasarudzwa muchikwata cheArgentina che2019 Pan American Games. Vakakunda menduru yegoridhe nokukunda Canada 52 mumutambo wokupedzisira. 