 Nyorai kuenderera mberi kweiyi ndima - Musi wa22 Zvita 1974, Dietz akakunda kekutanga kuWest Germany muEuro 1976mutambo wokukwanisa kurwisa Malta muMalta. Mushure memutambo wake wekupedzisira wenyika yake, musi wa19 Chivabvu 1981, vachipesana neBrazil muStuttgart, akange akwidzwa ka53 naHelmut Schön naJupp Derwall. Achitorawo chikamu muEuro 1976 uye pa 1978 FIFA World Cup, Dietz akakwanisa kusimudza 1980 UEFA European Football Championship trophy semutungamiriri wechikwata cheWest Germany chakakunda. 