In his second Summer League outing, the 18-year-old Flagg put up a game-high 31 points while shooting 10-for-21 against the Spurs on Saturday. The Mavericks ultimately lost the game 76-69, with incoming rookie Dylan Harper leading the way with 16 points, six rebounds and two steals for San Antonio.

Cooper Flagg strolled into UNLV’s Thomas and Mack Center at 4:17 p.m., wearing Dallas Mavericks gear, bright white New Balance shoes, and an emotionless look on his face as he passed

The Mavericks didn't take long to watch Cooper Flagg earn his first points. But he pulled off a poster moment for his summer league points.