Dallas Mavericks rookie Cooper Flagg continues to prove why he's destined for greatness in the NBA. “Cooper Flagg had 40 pts, 7 rebs and 2 asts through 3 quarters. Mavericks rookie Cooper Flagg set a new career-high with 44 points tonight against the Hornets. Unfortunately for Flagg, who finished the contest with 49 points, his huge night went for naught, as Dallas suffered a 123-121 loss. They will look to snap out of their slump on Saturday versus Kevin Durant and the Houston Rockets at the Toyota Center in Houston.