Celtics' Jaylen Brown Praises Rookie Flagg After Viral Foul Moment

Brown calls 19-year-old Flagg 'spectacular' after the two battled on the court.

Published on Feb. 10, 2026

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In the aftermath of a viral moment where Boston Celtics star Jaylen Brown questioned a foul call against rookie Cooper Flagg, Brown took to his stream the following night to clear the air and heap praise on the 19-year-old. Brown called Flagg 'spectacular' for scoring 30 points against the Celtics, highlighting the rookie's poise and performance despite his young age.

Why it matters

The interaction between Brown and Flagg sparked speculation of tension between the two players, but Brown's subsequent comments put those rumors to rest. The praise from an established star like Brown underscores Flagg's rapid rise and emergence as a must-watch talent in the NBA.

The details

When the Celtics faced the Mavericks, Flagg matched Brown's 33-point, 11-rebound performance with 36 points, 9 rebounds, and 6 assists of his own. Late in the fourth quarter, Brown was caught on a hot mic questioning a foul call that sent Flagg to the free throw line, where he went 10-of-11. The moment fueled speculation of tension between the two players, but Brown quickly dispelled those rumors on his stream the following night.

  • The Celtics defeated the Mavericks 110-100 on February 5, 2026.
  • Brown addressed the viral foul moment and praised Flagg on his stream the following night, February 6, 2026.

The players

Jaylen Brown

A star player for the Boston Celtics who has emerged as one of the league's top two-way talents.

Cooper Flagg

A 19-year-old rookie drafted first overall in 2025 who has quickly become a must-watch player, averaging 20.3 points per game and delivering several 30-point performances in recent weeks.

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What they’re saying

“My boy is him. He's got my respect for sure. He scored 30 on us on all floaters.”

— Jaylen Brown, Boston Celtics Player (Twitch)

“For a 19-year-old? Spectacular.”

— Jaylen Brown, Boston Celtics Player (Twitch)

The takeaway

This interaction between Brown and Flagg highlights the respect and admiration that established NBA stars have for the league's rising young talents. Despite a moment of on-court tension, Brown's subsequent praise for Flagg's poise and performance underscores the 19-year-old's rapid ascent and emergence as a must-watch player in the NBA.