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.

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.

Rookie Cooper Flagg may not have been happy with his professional debut Thursday night in the NBA Summer League, but he still drew rave reviews all around after the Dallas Mavericks defeated the Los Angeles Lakers,