A resurfaced video shows a 13-year-old Flagg running basketball drills while wearing a Mavericks t-shirt. Despite barely being a teenager, Flagg is shown running back and forth across the baseline to defend a corner three-point shot. As he travels back toward the basketball, Flagg is passed the ball, which he dunks repeatedly.

As a help defender, Flagg shines. His quick twitch muscles sync up perfectly with his brain to allow him to fly in and block shots at the rim and knock away pass attempts in the gaps. Cooper has a plus wingspan and a sturdy frame and has mastered his physical gifts to be come a special off-ball defender.

Cooper Flagg is starting to settle into his new reality. The Duke star been considered the presumptive No. 1 pick in next month’s NBA draft for some time and now knows that pick is held by the Dallas Mavericks.

In a stunning turn of events at the NBA Draft Lottery on Monday night, the Dallas Mavericks have won the right to select Duke University star Cooper Flagg with the first overall pick in the 2025 NBA Draft.

The Dallas Mavericks have done it again. No, not another high-profile trade, but they made news for landing the No. 1 overall pick. With all the narratives running wild regarding this NBA Draft lottery situation,

Duke made its feelings known on Wednesday after the Dallas Mavericks landed the No. 1 overall pick in the NBA Draft Lottery and the right to select Cooper Flagg—posting a not-so-subtle graphic on social media with a simple caption.

Cooper Flagg expects to be the No. 1 pick of the upcoming NBA draft. But how much do you know about the superstar basketball player's family? Find out more here.

Coming soon to Dallas? Flagg was a star with the Blue Devils who showed the ability to thrive as a scorer, playmaker and defender.