 Sterling akamiririra United States pamakwikwi matatu ejunior level, 2002 U-18 World Championships, uye 2003 ne2004 World Junior Championships. Sterling akarova zvibodzwa zvipfumbamwe nemapoinzi gumi nemaviri mumitambo misere achibatsira chikwata cheU.S. Under-18 kuhwina menduru yavo yekutanga yegoridhe. Muna 2004, akarova zvibodzwa zvitatu sechikamu chechikwata cheUS chakahwina menduru yegoridhe. 