Cooper Flagg – Complete Stats, Biography and Rookie Season

At 19 years old, Cooper Flagg has already established himself as one of the most promising young players in the NBA. Drafted first overall by the Dallas Mavericks in 2025, the forward from Maine delivered a rookie season that exceeded expectations, earning unanimous Rookie of the Year honors and setting several age-related records. His combination of size, skill, and production has made him a focal point of the Mavericks’ present and future.

Flagg’s journey from a small-town high school star in Newport, Maine, to a national champion at Montverde Academy, a one-and-done sensation at Duke, and finally a top NBA draft pick, represents a rapid ascent through the ranks of American basketball. His first professional season provided clear evidence that the hype was justified.

This article provides a comprehensive overview of Cooper Flagg’s biography, statistical profile, contract details, and rookie season highlights, drawing on official data from the NBA, ESPN, and other reputable sources. For context on other rising stars, see our profile on Bruno Fernandes.

Who Is Cooper Flagg? Age, Height, and Background

• Cooper Flagg was the No. 1 overall pick in the 2025 NBA Draft and made his debut with the Dallas Mavericks in October 2025.
• As of the 2025-26 season, he is averaging 21.0 points, 6.7 rebounds, and 4.5 assists per game.
• At 19 years old (born December 21, 2006), Flagg is one of the youngest rookies in the league.
• His rookie contract is worth an estimated $55+ million over four years, with team options.

Cooper Flagg’s NBA Career: Team, Stats, and Rookie Season

Flagg was selected with the first overall pick in the 2025 NBA Draft by the Dallas Mavericks. He joined a team led by Luka Dončić, which allowed him to develop within a structured offensive system. His transition from college to the professional level was seamless, as he immediately became a key contributor.

In his historic 2025–26 rookie season, Flagg averaged 21.0 points, 6.7 rebounds, and 4.5 assists per game across 70 games. These numbers earned him unanimous NBA Rookie of the Year honors and a spot on the All-Rookie First Team, making him the first Maverick since Luka Dončić to achieve that distinction.

Rookie Season Highlights

• Career High: 49 points vs. Charlotte Hornets (Jan 29, 2026), setting the record for most points by a teenager in NBA history.
• 50+ Points: Became the youngest player ever to score 50+ (19 years, 103 days), surpassing Brandon Jennings.
• 25+ Points: Youngest player to reach 25+ points since LeBron James (18y 324d).
• Ankle Injury: Sideline at end of regular season; estimated return Oct 1, 2026.
• Efficiency: 46.8% FG, 29.5% 3P, 82.7% FT; 1.2 steals and 0.9 blocks per game.

College and High School Achievements

Before the NBA, Flagg spent one season at Duke University (2024–25), where he averaged 19.2 points, 7.5 rebounds, and 4.2 assists per game. He was named ACC Rookie of the Year, ACC All-Defensive Team, and National College Player of the Year, leading the Blue Devils to the Final Four.

In high school, Flagg attended Montverde Academy in Florida, where he was named USA Basketball Male Athlete of the Year (2022) and 2024 National High School Player of the Year. At Nokomis Regional High School in Maine, he became the first freshman to win Maine Gatorade Player of the Year (2021) and led his team to a state title.

Cooper Flagg’s Contract and Net Worth

Flagg signed a two-year, $28.34 million contract with the Dallas Mavericks in July 2025, which includes a $15.21 million team option for 2027–28. This contract structure is standard for top draft picks and reflects his value as the first overall selection.

While his net worth is not publicly disclosed, his rookie contract and endorsement potential (implied by his status as the top pick) suggest early earnings in the high single-digit millions. As his career progresses and his marketability grows, these figures are expected to increase significantly.

Where to Buy Cooper Flagg Jerseys and Merchandise

As of the latest updates, Cooper Flagg’s official NBA jersey number has not been announced. He wore No. 2 at Duke. Once his jersey becomes available, fans can purchase authentic and replica versions from major retailers such as the NBA Store, Fanatics, and Nike. Availability in youth sizes is expected, though not yet confirmed.

Timeline of Cooper Flagg’s Career

1. December 21, 2006 – Born in Newport, Maine.
2. 2021 – Named first freshman Maine Gatorade Player of the Year at Nokomis Regional High School; led team to state title.
3. 2022 – Named USA Basketball Male Athlete of the Year.
4. 2024 – Named National High School Player of the Year at Montverde Academy.
5. 2024–2025 – College season at Duke University; averaged 19.2 pts, 7.5 reb, 4.2 ast; led Duke to Final Four.
6. June 2025 – Drafted 1st overall by the Dallas Mavericks.
7. July 2025 – Signed two-year, $28.34 million contract with team option.
8. October 22, 2025 – NBA debut; scored 18 points vs. Spurs.
9. January 29, 2026 – Scored 49 points vs. Charlotte Hornets, setting record for most points by a teenager.
10. 2026 – Named unanimous NBA Rookie of the Year and All-Rookie First Team.

What We Know and What Remains Unclear About Cooper Flagg

Background and Meaning of Cooper Flagg’s Rise

Cooper Flagg entered the NBA as a highly touted prospect after a dominant one-and-done season at Duke. His rookie stats compare favorably to recent No. 1 picks such as Victor Wembanyama and Paolo Banchero at similar stages. Playing for the Dallas Mavericks alongside Luka Dončić, Flagg benefits from a system that emphasizes his off-ball movement and spot-up shooting.

His early-season averages suggest a strong candidate for Rookie of the Year, though competition from other top-5 picks remains stiff. Flagg’s efficiency numbers (46.8% FG, 82.7% FT) indicate a solid foundation for growth, while his defensive contributions (1.2 steals, 0.9 blocks) add to his value as a two-way player.

Sources and Quotes About Cooper Flagg

“Cooper Flagg (born December 21, 2006) is an American professional basketball player for the Dallas Mavericks of the NBA.”

— Wikipedia

“F HT/WT 2.06 m, 92 kg Birthdate 21/12/2006 (19) College Duke Follow 2025-26 regular season stats PTS 21.0.”

— ESPN

“Flagg averaged 19.2 points, 7.5 rebounds, 4.2 assists, 1.4 steals and 1.4 blocks.”

— NBA.com draft profile

What’s Next for Cooper Flagg?

Monitor Flagg’s progression as the 2025-26 season unfolds for potential All-Rookie Team honors. Look for contract extension eligibility after his third season. Expect increased endorsement deals as his marketability grows. Read more about other notable athletes: Mario Balotelli 2025 and Bruno Fernandes.

Frequently Asked Questions About Cooper Flagg