Mezue ahịrịokwu na-esonụ:
Na 2018 US National Championships, McCusker meriri ọla nchara na ihe niile dị n'azụ Biles na Morgan Hurd. O meriri ọlaọcha na ogwe n'azụ Biles, ọla nchara na beam n'azụ Biles na Kara Eaker, ma tinye nke asaa n'ala. N'ọnwa Ọktọba, McCusker sonyere na World Team Selection Camp. O butere nke mbụ na osisi, nke abụọ na gburugburu gburugburu n'azụ Biles, nke abụọ na beam n'azụ Eaker, nke atọ n'ala n'azụ Biles na Grace McCallum, na nke asaa na vault. N'ụbọchị na-eso ya, akpọrọ ya na ndị otu World 2018 n'akụkụ Biles, Hurd, McCallum, Eaker, na onye nnọchi Ragan Smith.