Kammala jumla mai zuwa: Byfield ya lashe lambar azurfa a gasar cin kofin Hlinka Gretzky ta 2019. Byfield ya lashe lambar zinare tare da Kanada a Gasar Zakarun Duniya ta Junior ta 2020 da aka gudanar a Jamhuriyar Czech, inda ya ba da taimako 1 a wasanni 7. Byfield ya lashe lambar azurfa tare da Kanada a
2021 Gasar Zakarun Duniya ta Junior da aka gudanar a Kanada, Buga kwallaye 2 da taimakawa 5 don maki 7 a wasanni 7.