This article was originally published on www.si.com/nba/mavericks as Cooper Flagg named Summer League winner for Mavericks. Dallas Mavericks rookie Cooper Flagg only needed two appearances in the Las Vegas Summer League to prove that he is legit.

Johni Broome leads Philadelphia with 22 points and 14 rebounds while Mark Armstrong impresses with 22 points off the bench.

Here we will look at and discuss the biggest Dallas Mavericks overreactions from the 2025 NBA Summer League games.