Dallas Mavericks' Cooper Flagg made his NBA Summer League debut vs. the Los Angeles Lakers and guard Bronny James in Las Vegas. Flagg was unimpressed with his own performance but Bronny commented on F

Thursday night’s matchup between Cooper Flagg and the Dallas Mavericks and Bronny James and the Los Angeles Lakers was the fourth-most-watched Summer League game ever, per ESPN.

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.