Kammala jumla mai zuwa: Williams ya taka leda a Amurka a
2019 FIBA Under-19 Kwallon Kwando na Duniya a Heraklion, Girka. Ya yi matsakaicin maki 8.7 da 6.6 a kowane wasa kuma ya taimaka wa tawagarsa ta lashe lambar zinare. Williams ya buga sau biyu sau biyu na maki 17 da 12 a cikin nasara a kan Latvia.