Mavericks' Cooper Flagg makes basketball history only ever done in NBA by his head coach

  • Billy Heyen
  • January 9, 2026
Cooper Flagg has been touted as the Dallas Mavericks’ future for months, but now he has a signature achievement that instantly elevates him from promising rookie to piece of NBA history. In a performance that stunned even seasoned observers, Flagg accomplished a feat previously recorded by only one player in league history: his own head coach.

The Mavericks’ young forward delivered a complete-game masterpiece that echoed the versatile brilliance of Jason Kidd’s playing days. Kidd, now guiding Dallas from the sidelines, once carved out a Hall of Fame career by stuffing every column of the box score. For Flagg to replicate a benchmark that only Kidd had ever reached in the NBA underscores just how rare his skill set is.

What makes this moment so significant is not only the statistical oddity, but what it says about Flagg’s trajectory. He arrived with a reputation as a two-way force who could rebound, facilitate, and score within the flow of the offense. Matching a historic benchmark associated with Kidd places him in a lineage of big, cerebral playmakers who control tempo and impact winning in subtle and obvious ways.

From a league perspective, this is exactly the kind of breakout the NBA has been anticipating. Teams are increasingly built around jumbo creators and multi-positional defenders. Flagg checks those boxes while adding an edge and competitiveness that have already made him a fan favorite in Dallas. His ability to mirror a Kidd-era achievement also highlights how the game has evolved: a forward now doing what a point guard once did, reflecting the NBA’s shift toward positionless basketball.

For the Mavericks, the symbolism is powerful. The coach who once defined all-around excellence now oversees a player capable of echoing his most exclusive accomplishment. It suggests a clear organizational identity, rooted in versatility, intelligence, and unselfish play. If this historic night is any indication, Cooper Flagg is not just Dallas’ future; he may be one of the next defining stars of the modern NBA.