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Cooper Flagg's Debut Jersey Sells for $1 Million!

2/19/2026

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Summary

Story summary

Cooper Flagg, the NBA rookie, saw his debut jersey sell for $1 million through Sotheby’s, the highest price for any Flagg collectible and for jerseys sold via NBA Auctions.
Flagg debuted with the Dallas Mavericks on October 22, 2025, and recorded 10 points and 10 rebounds.
Sotheby’s will host an NBA Rookie Debut Auction from March 17–23, featuring jerseys from top rookies such as V.J. Edgecombe and Kon Knueppel.

History

Historical Context

The NBA's introduction of official rookie cards in 1985 transformed sports memorabilia, paving the way for a market valued at over $5 billion by 2021. This evolution is exemplified by Cooper Flagg's debut jersey selling for $1 million, highlighting the increasing significance of rookie memorabilia in fan engagement and investment, as Sotheby’s prepares for its upcoming auction.

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Story summary

Cooper Flagg, the NBA rookie, saw his debut jersey sell for $1 million through Sotheby’s, the highest price for any Flagg collectible and for jerseys sold via NBA Auctions.
Flagg debuted with the Dallas Mavericks on October 22, 2025, and recorded 10 points and 10 rebounds.
Sotheby’s will host an NBA Rookie Debut Auction from March 17–23, featuring jerseys from top rookies such as V.J. Edgecombe and Kon Knueppel.

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