Cooper Flagg made his Summer League debut for the Dallas Mavericks in Thursday’s 87-85 win over the Los Angeles Lakers. While his performance didn’t quite live up to his usual standards, the game drew widespread attention.

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

Cooper Flagg may not have been happy with his professional debut in the NBA Summer League, but he still drew some rave reviews afterward.