Mezue ahịrịokwu na-esonụ: Heatley so n'asọmpi abụọ nke World Junior Championship n'oge ọrụ afọ abụọ ya na Mahadum Wisconsin. Nke mbụ ya, n'afọ 2000, jiri mmeri ọla nchara merie ndị US n'ọgba aghara; Heatley gbara goolu na mmeri 4x3. N'afọ sochirinụ, na
N'afọ 2001, Heatley gbara goolu atọ na ihe ise ka Canada meriri ọla nchara nke abụọ n'usoro.