Cooper Flagg Age, Height, Partner, Biography & More

Cooper Flagg has been the most scrutinised rookie in the NBA’s opening weeks, and this week he was back in the headlines alongside Kyrie Irving as the Dallas Mavericks worked out how their new generation fits together. The No. 1 pick from Duke arrived with enormous expectations, and every game of his rookie season is being watched closely.

Who Is Cooper Flagg?

Cooper Flagg is an American professional basketball player who plays forward for the Dallas Mavericks. Drafted first overall in 2025 after one season at Duke University, Flagg is the most hyped American prospect of his generation, a two-way forward compared to some of the game’s greats before he even played an NBA game.

Early Life & Background

Flagg was born in Newport, Maine, on December 21, 2006, and grew up in a basketball family — his mother played college basketball and his father played at a lower level. He starred at Montverde Academy in Florida, where he was named the nation’s top high school player, before reclassifying and joining Duke a year early.

Career

At Duke, Flagg won national player of the year honours as a freshman and led the Blue Devils to the Final Four. Dallas selected him first overall in the 2025 NBA Draft, and his rookie season in 2025–26 has been one of the season’s biggest storylines, with his performances alongside Kyrie Irving drawing weekly attention.

Facts About Cooper Flagg

• Dallas selected him first overall in the 2025 NBA Draft.
• He won national player of the year honours as a Duke freshman.
• He led Duke to the Final Four in 2025.
• He was named the nation’s top high school player at Montverde Academy.
• He reclassified to join Duke a year early.

Frequently Asked Questions