you describe Cooper Flagg's Summer League debut
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There was some clock drama in the final second, but the Mavericks hang on for a win to open Summer League and Cooper Flagg's career. Flagg and Bronny James both went scoreless in the second half, while Cole Swider led all scorers with 22 points.
Cooper Flagg made his first appearance for the Mavericks in Las Vegas during his professional debut at the NBA Summer League.