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.

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

After just two games, the Mavericks have shut down No. 1 pick Cooper Flagg for the rest of Summer League. Following a 31-point breakout performance and a crash course as a point-forward, Flagg impressed early,