The drafting of Flagg has reinvigorated Cuban, who sat courtside for Flagg’s summer league debut in Las Vegas.

League continues on Saturday, July 12 with No. 1 pick Cooper Flagg and the Dallas Mavericks taking on No. 2 pick Dylan Harper and the San Antonio Spurs.

While all the attention was being paid to Cooper Flagg, former Auburn guard Miles Kelly was looking to show his capabilities on the basketball court. He scored 17 points in the Mavericks first game of the Las Vegas Summer League and helped his team to an 87-85 win over the Lakers.

Cooper Flagg may not have been happy with his professional debut in the NBA Summer League, but he still drew some rave reviews afterward.

LAS VEGAS (AP) — Cooper Flagg strolled into UNLV’s Thomas and Mack Center at 4:17 p.m. on Thursday, wearing Dallas Mavericks gear, bright white New Balance shoes, and an emotionless look on his face as he passed through security.

In a video clip where Russell can be seen talking to Mavericks general manager Nico Harrison, the former lottery pick is already setting the mindset for next season, as he'll enter with something to prove to the rest of the league. "I like me with a chip on my shoulder," Russell told Harrison.

The Mavs’ summer squad landed in Vegas on Wednesday with just over 24 hours until the most anticipated matchup of the tournament.

The Dallas Mavericks' offseason has been defined by selecting Cooper Flagg with the No. 1 overall pick in the NBA Draft. However, they haven't done much outside

Cooper Flagg didn't shy away from self-criticism after a rocky NBA summer league debut, calling the performance "not up to my standard" following the Dallas Mavericks' 87-85 win over the Los Angeles Lakers.

How did Cooper Flagg do in his NBA Summer League debut? Check out his stats from the Mavericks-Lakers contest.

Cooper Flagg strolled into UNLV’s Thomas and Mack Center at 4:17 p.m. for his Summer League debut, wearing Dallas Mavericks gear, bright white New Balance shoes, and an emotionless look on his face as he passed through security.

This week’s Dallas Mavericks fan polling had two easy questions about the progression of the offseason. Since we’re all but wrapped up with the moves that matter, it seemed a good time to take the temperature of the team’s performance. The first question asked if the Dallas Maverick did enough in free agency.