 Milito akaita Argentina kutanga kwake musi wa 31 Ndira 2003 vachipesana neHonduras, kwaakawanawo chinangwa chake chekutanga. Akahwina zvibodzwa zvake zvechipiri uye chechitatu musi wa16 Chikunguru 2003 vachipesana neUruguay, asi akaonekwa chete nguva nenguva mumakore akatevera uye akasiyiwa kubva ku2006 World Cup squad. Akatamba neArgentina mu2007 Copa AméricaArgentina yakaenderera mberi kusvika kumagumo, kwavakakundwa neBrazil 3 0. 