Cooper Flagg may have only just started his NBA career, but his memorabilia is already fetching impressive sums.

Cooper Flagg continues to make NBA history on and off the court.

Cooper Flagg seems well on his way to NBA superstardom, and collectors have taken note. Sotheby's announced Thursday it sold his Dallas Mavericks Rookie Debut Game-Worn Association Edition Jersey for ...

Cooper Flagg’s NBA debut jersey sold privately via Sotheby’s earlier this month for $1 million, the auction house announced Thursday morning. The price is a record for any Flagg-related collectible ...

Shortly after Mark Aguirre’s number was enshrined in the AAC rafters, Flagg broke the Mavericks great’s franchise record for ...

The jersey worn by Cooper Flagg in the first half of his NBA debut has been sold for $1 million, a record for a collectible ...

Flagg wore the jersey during the first half of his NBA regular-season debut, when Dallas played the San Antonio Spurs on Oct. 22, 2025. The Flagg sale surpassed a Victor Wembanyama debut jersey sale ...