Cooper Flagg delivered a standout performance on March 15, 2026, recording 27 points, 10 assists, and 6 rebounds in a regular-season game. At just 19 years and 84 days old, he became the fourth teenager in NBA history to achieve a game with 25+ points, 10+ assists, and 5+ rebounds. He joins an elite group that includes LeBron James, Luka Dončić, and Josh Giddey. Notably, Flagg is now the youngest player ever to accomplish this feat with the Dallas Mavericks, surpassing Luka Dončić’s previous record.
LeBron James remains the only player to have done it at a younger age, achieving the milestone at 18 years and 355 days in December 2003. Flagg’s performance marks a significant moment in his early career, highlighting his emerging impact in the league. The achievement underscores his all-around skill set and places him among the most promising young talents in the NBA today.