Cooper Flagg's Rookie Jersey Sells for Record $1 Million

The jersey worn by the Dallas Mavericks star during his NBA debut has broken a new record.

Published on Feb. 25, 2026

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Cooper Flagg's rookie jersey from his NBA debut with the Dallas Mavericks has sold privately for a staggering $1 million, breaking the record for the highest price ever achieved for a jersey sold through NBA Auctions. The jersey, which Flagg wore during the first half of his highly anticipated debut against the San Antonio Spurs on October 22, 2025, is officially the highest recorded price for any of Flagg's collectibles to date.

Why it matters

Flagg has become a rising star in the NBA, breaking records and going viral for his poise on and off the court since being selected first overall in the 2025 draft. The sale of his debut jersey for $1 million is a testament to the significance collectors place on 'first moments' in sports and the excitement surrounding Flagg's promising career.

The details

Sotheby's, the official game-worn source of the NBA, confirmed the $1 million sale in a press release. The auction house also announced plans to launch an 'NBA Rookie Debut Auction' next month from March 17 through the 23, which will spotlight several other first game jerseys from other rookies across the league, including those worn by V.J. Edgecombe, Kon Knueppel, Derik Queen, and Dylan Harper.

  • Cooper Flagg wore the jersey during the first half of his NBA debut for the Dallas Mavericks against the San Antonio Spurs on October 22, 2025.
  • The jersey was sold privately on February 19, 2026.

The players

Cooper Flagg

A rising star in the NBA who was selected first overall in the 2025 draft and has broken several records since joining the Dallas Mavericks, including becoming the youngest player in the league to score 40 points in a single game.

Sotheby's

The official game-worn source of the NBA, which confirmed the $1 million sale of Flagg's rookie jersey and announced plans to launch an 'NBA Rookie Debut Auction' next month.

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What they’re saying

“The $1 million result for Cooper Flagg's rookie debut jersey is a powerful testament to the significance collectors place on true 'first moments' in sport.”

— Brahm Wachter, Head of Modern Collectibles at Sotheby's (Sotheby's press release)

What’s next

Sotheby's plans to launch its 'NBA Rookie Debut Auction' next month from March 17 through the 23, which will spotlight several other first game jerseys from other rookies across the league.

The takeaway

The record-breaking sale of Cooper Flagg's rookie jersey for $1 million highlights the immense value and excitement surrounding the NBA's next generation of stars, with collectors eager to own a piece of history from the league's most promising young talents.