Cooper Flagg may not have been happy with his professional debut on Thursday night in the NBA Summer League, but he still drew some rave reviews after the Dallas Mavericks defeated the Los Angeles Lakers ,

Cooper Flagg has been tipped for NBA stardom since his high school days. He's a few months away from getting a chance to prove those early premonitions correct, but he'll take the floor under Mavericks colors for the first time on Thursday when Dallas kicks off its slate in Las Vegas Summer League.