Flagg has been tested during the first weeks of his college career, and the 17-year-old phenom still looks like the No. 1 pick in the 2025 NBA draft.

Flagg and Duke had their toughest test yet Tuesday night against No. 1 ranked Kansas, where they came up just short and fell 75-72. Flagg had 13 points, five rebounds and three assists, but his highlight of the night was a massive slam dunk over Kansas' Flory Bidunga.

Cooper Flagg may be the top player in the country, but Kansas is the top-ranked team. And the Jayhawks proved why Tuesday. No. 1 Kansas defeated Flagg and