Kammala jumla mai zuwa: Díaz ya buga wasan ƙwallon ƙafa na kulob don Club Atlético Rosario Central, inda ya lashe wasu taken gida da kofin ƙasa a 1920. Ya wakilci Argentina a lokuta 9 tsakanin 1926 da 1928. Ya kasance mamba ne na tawagar Argentina, wanda ya lashe gasar
Gasar Zakarun Kudancin Amurka ta 1927 da lambar azurfa a gasar wasannin kwallon kafa ta Olympics ta 1928.