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.

The most anticipated on-court event on the summer basketball calendar begins Thursday as the Las Vegas Summer League gets started with a seven-game slate. The headlining matchup of the multi-week event from Sin City will feature No.