Mezue ahịrịokwu na-esonụ: Cozens jere ozi dị ka onye isi ndị ọzọ maka Team Canada na 2019 IIHF World U18 Championships. Cozens meriri ọla edo na Team Canada na 2020 World Junior Ice Hockey Championship, na-agbakọ otu ugboro na mmeri 4 × 3 ha meriri Russia. Ya na Bowen Byram bụ ndị a họpụtara dịka ndị isi ndị otu Canada n'asọmpi
2021 World Junior Ice Hockey Championships na Disemba 26, 2020, na-anọchi onye isi ọkwọ ụgbọ ala merụrụ ahụ bụ Kirby Dach. Mgbe ha na-emeribeghị n'asọmpi ahụ, Cozens na Canada meriri na egwuregwu ọla edo na Team USA 2<unk>0.