 Nyorera kuenderera kweiyi ndima - Kesler akapinda mumutambo wake wekutanga wakatenderwa neInternational Ice Hockey Federation ku2002 IIHF World U18 Championships muPiešťany neTrnava, Slovakia. Akapedza mutambo uyu aine mapoinzi manomwe mumitambo misere, kusanganisira zvibodzwa zviviri mukukundwa kwe10-3 pamusoro peCanada mumutambo wekupedzisira. VaAmerica vakahwina mukombe wavo wekutanga weU18, naKesler achipihwa mubairo weMutambi Wakanakisa wemutambo. Gare gare gore iroro, Kesler akatumidzwa kuUnited States junior national team ye2003 World Junior Ice Hockey ChampionshipsmuHalifax neSydney, Nova Scotia. Akapedza mutambo wechipiri muchikwata chinorova shure kwaZach Parise aine mapoinzi manomwe mumitambo minomwe sezvo United States yakarasikirwa ne32 kuFinland mumutambo wemenduru yendarira. Munguva yemutambo, Kesler akatumidzwa zita reUnited States mutambi wemutambo kaviri: mumutambo wavo wequarter-fainari vachipesana neCzech Republic uye mumutambo wemenduru yebronze vachipesana neFinland. 