Mavericks rookie Cooper Flagg, the highly anticipated No. 1 pick in this year’s draft, made his professional debut at the NBA 2K26 Summer League, drawing a packed crowd to the Thomas and Mack Center. Flagg immediately made an impact, scoring the first points of the game with a jam at the 4:30 mark of the first quarter. He finished the quarter with six points, one rebound, and a steal, showcasing his versatility and skill set. The crowd’s excitement grew as Flagg nearly executed another highlight-reel play early in the second quarter. Despite being a newcomer, Flagg displayed a poise and maturity beyond his years, living up to the hype surrounding his draft selection. His performance has generated significant buzz among fans and analysts alike, setting the stage for an promising career ahead.