Cooper Flagg, the Mavs’ number one overall pick, made a remarkable NBA debut in his first preseason game. The 18-year-old from Newport started strong with a significant block against OKC. Playing as a point forward in the first half, Flagg scored 10 points, grabbed six rebounds, and contributed three assists in just 14 minutes. His performance helped lead the Mavs to a 106-89 win, marking an impressive start for the young phenom.