Mavericks rookie Cooper Flagg made his professional debut on Thursday night in the NBA Summer League, leading his team to an 87-85 victory over the Los Angeles Lakers, featuring Bronny James. Flagg, who was the fifth overall pick in the 2024 NBA draft, finished the game with 10 points, though his shooting efficiency was low at 5-for-21, including an 0-for-5 performance from three-point range. Despite the challenging shooting night, Flagg showed promise with his four rebounds and six assists, demonstrating his all-around game. The win marks a strong start for Flagg and the Mavericks in the Summer League, as they aim to build on this performance heading into the regular season. The game was a highlight of the Summer League, drawing attention to the rising star and his potential impact on the Mavericks’ roster.