Kammala jumla mai zuwa: Romero shi ne mai tsaron gida da ya fi kowa buga wasa a tarihin tawagar kasar Argentina, ya buga wasanni sama da 90 tun lokacin da ya fara bugawa a shekarar 2009. Ya wakilci Argentina a gasar cin kofin duniya guda biyu da kuma gasar cin kofin Copa América guda uku, inda ya zama zakara a gasar cin kofin duniya ta FIFA ta 2014, da kuma a gasar cin kofin duniya ta 2015 da ta 2016.
Gasar cin Kofin Amurka ta 2016. Ya kuma kasance wani ɓangare na tawagar da ta lashe zinare a gasar Olympics ta 2008.