Kammala jumla mai zuwa: An haife shi a Gjakova, Jamhuriyar Kosovo, Kryeziu ya kasance mai saurin saurin dama wanda zai iya gudu mita 100 a cikin dakika 11. Ya bar garinsa a Kosovo a matsayin matashi don shiga tare da ɗan'uwansa a Tirana, yana yin wasan kwallon kafa na farko a cikin jirgin saman gida a lokacin da yake da shekaru 15. Bayan da
1939 mamayewar Italiya ta Albania, wani malamin wasannin motsa jiki na Italiya ya lura da shi wanda ya ba da shawarar shi ga AS Roma. Kamar yadda aka dauke shi dan Italiyanci bayan hadewar Albania, an ba shi izinin yin rajista a Rome "ISEF" (jami'ar wasanni ta Italiya) yayin da kuma ya buga wa AS Roma, inda ya lashe taken Italiya a 1941-1942. Ya buga wa "giallorossi" har zuwa 1948, lokacin da ya koma A.C. Napoli; a ƙarshe ya yi ritaya a 1953.