Mezue ahịrịokwu na-esonụ: N'afọ 2012, Winslow gbara bọọlụ maka United States na FIBA Under-17 World Championship, ebe a họpụtara ya na ndị otu egwuregwu niile. N'afọ 2013, ọ gbara na
FIBA Under-19 World Championship. N'afọ 2014, ọ gbara na FIBA Americas Under-18 Championship.