Dallas Mavericks general manager Nico Harrison has made his team-building philosophy clear: Prioritize players who can make significant contributions on both ends of the floor. Now, with the addition of No.

Flagg scored 31 points in his second start and looked more comfortable as the Mavericks' primary ball-handler. Dallas shut him down for the rest of the summer slate after his scoring outburst was the most by a No. 1 pick in summer league play since John Wall in 2010.

Mavericks' Naji Marshall shares his thoughts on what rookie Cooper Flagg showed in his brief Summer League stint