Cika wannan jumlar: Miller ya yi aiki a matsayin babban kocin 'yan wasan Amurka maza na kasa da shekaru 19, wanda ya yi gasa a gasar
2015 FIBA Under-19 Gasar Duniya. Ƙungiyar Amurka ta ƙare tare da cikakkiyar rikodin 7<unk>0 da lambar zinariya. Sakamakon wannan wasan kwaikwayon, an zabi Miller a matsayin mai horar da 'yan wasa na shekara ta Amurka. An maye gurbinsa a cikin 2017 ta kusa da abokinsa John Calipari a matsayin babban koci, yana kawo ƙarshen shekaru 2.