 Nyorai mberi kwechikamu chino - Onyewu aive musimboti wechikwata chenyika yeUnited States mumakwikwi e2006 ne2010 World Cup. Pakutanga kwebasa rake, Onyewu akamiririra US pamatanho akasiyana evechidiki, kusanganisira pa2001 World Youth Championship. Akaita chitarisiko chake chekutanga chechikwata chevakuru chenyika musi waGumiguru 13, 2004, vachipesana nePanama. 