Cooper Flagg didn't shy away from self-criticism after a rocky NBA summer league debut, calling the performance "not up to my standard" following the Dallas Mavericks' 87-85 win over the Los Angeles Lakers.

Cooper Flagg was faced with a challenge the first day on the job by head coach Jason Kidd. In his first game, he proved he was up for the challenge.

The Mavericks watched Cooper Flagg explode early in his NBA Summer League debut. But Jason Kidd has seen this "incredible" quality already.