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

It's all but a certainty that Duke Blue Devils star Cooper Flagg will be the first player to hear his name called on June 25, when the NBA Draft begins and the Dallas Mavericks go on the clock to make their selection.