By now, NBA fans should know to be wary of drawing too many definitive conclusions from Las Vegas Summer League. The sample sizes are small, the practice time is limited, and roster are often missing key pieces (like pass-first point guards) that help lineup constructions fall into place.

Trae Young jokes about the loose security and fan access while cheering on the Hawks during their Summer League win over the Suns

Cooper Flagg's first and likely only NBA Summer League is over. The Dallas Mavericks have shut down the No. 1 pick in this year's draft after two summer league games, according to a person who spoke Sunday to The Associated Press on condition of anonymity because the team had not revealed the move publicly.