Mezue ahịrịokwu na-esonụ: N'ọnwa Julaị afọ 2017, Barrett mere isi akụkọ site n'inye ihe 38, 13 na-agbagha, na ise na-enyere aka mgbe ọ na-eduzi ndị otu egwuregwu Canada n'okpuru 19 ruo mmeri 99 <unk> 87 nke US na
FIBA Under-19 Basketball World Cup. N'oge ahụ, Northpolehoops.com kọwara arụmọrụ a dị ka Barrett "egwuregwu kachasị nke ọrụ ya ruo ugbu a". O mechara duru Canada gaa n'ọkwa, na-agbakọ egwuregwu kachasị elu nke isi 18 na 12 rebounds na egwuregwu egwuregwu megide Italy, ma kpọọ aha ya na asọmpi All-Star Five na asọmpi ahụ Onye Ọkpụkpọ Kacha Bara Uru. N'iji akara 21.6 n'egwuregwu ọ bụla, ọ bụkwa onye na-ebute ụzọ n'asọmpi ahụ.