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

The opening day of the NBA Las Vegas Summer League provided fireworks and the debut of No. 1 overall pick Cooper Flagg, who struggled to find his shot in a dramatic win over the L

Cooper Flagg went 5-21 in his Summer League debut, but Jason McIntyre says it’s time to relax and let him develop.

The anticipation is palpable as former Duke Blue Devils star and No. 1 overall pick Cooper Flagg prepares to make his Summer League debut on Thursday night for the Dallas Mavericks in a highly anticipated matchup against Bronny James and the Los Angeles Lakers.

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.