While Flagg looked good with the ball in his hands, he looked better playing off it, and that will be more of his role in Dallas where D’Angelo Russell in the short term and Kyrie Irving long term (once healthy), not to mention Anthony Davis, will facilitate the offense most of the time.

Mavericks rookie Cooper Flagg has already turned heads in his first two NBA 2K26 Summer League games. The main takeaways from his early showings offer a glimpse into his potential and could help shape expectations for his fantasy basketball value in the 2025-26 season.

What are the best parts of this year's Vegas Summer League action? Zach Harper narrows the list down to 15 key observations

Cooper Flagg has already wrapped up his initial debut with the Dallas Mavericks, playing in the first two NBA Summer League games, but he's been pulled for the remainder of the event. His first game was slow, finishing with just 10 points on 5/21 shooting against the Los Angeles Lakers.

During a recent NBA Summer League game, the former Duke standouts greeted each other courtside before tipoff, sharing a quick handshake and smile. The wholesome exchange didn’t go unnoticed, especially by Flagg’s mom, Kelly, who responded to the clip on social media with a heartfelt message: “Brothers forever.”

Dallas Mavericks rookie Cooper Flagg felt firsthand how helping to initiate an NBA offense can be a physically demanding task.

Olden Polynice fears Cooper Flagg might not live up to the hype: "They've been looking for the next Larry Bird for I don't know how many years" originally appeared on Basketball Network. Cooper Flagg will enter his rookie NBA season with sky-high expectations after the Dallas Mavericks drafted him first overall.