Cooper Flagg won't officially be a member of the Dallas Mavericks until the NBA draft on June 25, but he is reportedly already making quite the first impression on his future team.

Cooper Flagg, the presumptive No. 1 overall pick in next week’s NBA draft, had dinner in Dallas with Mavericks general manager Nico Harrison and

From Maine to Montverde Academy to Duke, Flagg has been building step by step to do exactly this: be the first pick in next week's draft.