Cooper Flagg’s Mom Reacts to Mavs Rookie's Interaction With Kon Knueppel originally appeared on Athlon Sports. Their days of lighting up the college hoops scene might be in the rearview mirror, but Cooper Flagg and Kon Knueppel are just getting started when it comes to making their mark in the NBA.

The 19-year-old guard recorded a double-double (16 points, 10 rebounds) along with four assists, a block, and a steal in 6 minutes of action. He was the game's leading scorer right behind teammate KJ Simpson, who logged 18 points and seven assists. Both Flagg and Knueppel had standout freshmen seasons at Duke last year.

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.