Cooper Flagg's summer league days are over, according to Marc Stein. The Mavericks are expected to shut down the No. 1 overall pick for the remainder of the Las Vegas Summer League, which means the next time we'll see him in game action will be during the preseason.

Dallas Mavericks forward Cooper Flagg (32) drives the ball against Los Angeles Lakers guard DaJaun Gordon (45) during the second half of an NBA summer league basketball game Thursday, July 10, 2025, in Las Vegas. Credit: AP/David Becker LAS VEGAS — Cooper Flagg's first and likely only NBA Summer League is over.

LAS VEGAS — Cooper Flagg ’s first NBA Summer League is over after just two games. The Dallas Mavericks shut down the No. 1 overall pick for the remainder of their time in Las Vegas, a person with knowledge of the situation of the decision confirmed Sunday to The Dallas Morning News.