Flagg's first points as a pro came on a slam dunk with less than five minutes to go in the first quarter. The Mavericks guard finished with 10 points, six rebounds and eight assists in his debut. He played 32 minutes, making 5 of 21 field goals, missing all five of his three-point attempts.

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

Cooper Flagg Gets Honest On Disappointing Summer League Debut originally appeared on Athlon Sports. Duke star Cooper Flagg finally made his NBA debut, helping the Dallas Mavericks take down the Los Angeles Lakers 87-85 in their first game of the Las Vegas Summer League.