On Monday, the Dallas Mavericks stunned the NBA by winning the draft lottery and therefore the right to take Cooper Flagg, the Duke University freshman phenom, with the No. 1 overall pick in next month's draft.

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.

“We’re looking forward to seeing everyone in the building,” said Naismith Memorial Basketball Hall of Famer Welts, who on Jan. 1 succeeded the retired Cynt Marshall as CEO. During his 47-year career, Welts also has overseen business operations of the Phoenix Suns and Golden State Warriors.

The NBA Lottery is set and all signs point to Duke superstar Cooper Flagg heading to the Dallas Mavericks after another shocking lottery night.

The Dallas Mavericks acquired the No. 1 pick in the NBA Draft lottery on Sunday. Having traded Luka Dončić to the Los Angeles Lakers in February, they now plan to use that pick on Cooper Flagg.