Kammala jumla mai zuwa: Dan wasa na kasa da kasa na Brazil tun 2003, Diego ya samu wasanni 34 kuma ya zira kwallaye hudu. Ya kasance wani ɓangare na ƙungiyoyin Brazil waɗanda suka gama a matsayin masu tsere a gasar CONCACAF Gold Cup ta 2003, suka lashe Copa América a
2004 da 2007, kuma ya sami lambar tagulla a wasannin Olympics na 2008.