After joining the Mavericks as the No. 1 overall pick, Cooper Flagg opted to return to his original jersey number worn up until last season at Duke.

Cooper Flagg is one of the most hyped rookies in NBA history after being the top selection in the 2025 NBA Draft. He had an outstanding one-and-done campaign with the Duke Blue Devils in which he led his team to the Final Four, along with winning National Player of the Year as a true freshman.

Earlier in the offseason, Dallas Mavericks head coach Jason Kidd hinted at playing Cooper Flagg at point guard for significant minutes in his rookie season. Dallas would later sign free agent D'Angelo Russell as a stopgap point guard to replace Kyrie Irving as he recovers from a torn ACL,