Cooper Flagg net worth in 2026 is estimated at $40 million, driven by a four-year $62.7 million NBA rookie contract with the Dallas Mavericks, a Duke NIL portfolio that Fox Sports and CBS Sports both reported totaled approximately $28 million, and ongoing endorsement deals with New Balance, Gatorade, and Fanatics. The 19-year-old from Newport, Maine, who could dunk on a full-size basketball hoop in sixth grade, just won the NBA Rookie of the Year award and became the first teenager in league history to score 50 points in a game. His financial story is only just beginning.
Quick Facts About Cooper Flagg
| Field | Details |
|---|---|
| Full Name | Cooper Flagg |
| Date of Birth | December 21, 2006 |
| Age in 2026 | 19 years old |
| Birthplace | Newport, Maine |
| Height | 6 feet 9 inches (2.03 meters) |
| Weight | 205 lbs (92 kg) |
| Wingspan | 7 feet (2.13 meters) |
| Position | Forward |
| Team | Dallas Mavericks |
| Draft | 1st Overall Pick, 2025 NBA Draft |
| College | Duke University (one season) |
| High Schools | Nokomis Regional (Maine), Montverde Academy (Florida) |
| Parents | Ralph Flagg (father), Kelly Bowman Flagg (mother) |
| Siblings | Twin brother Ace Flagg, older brother Hunter |
| Girlfriend | Arianna Roberson (Duke basketball player) |
| Net Worth 2026 | $40 Million (estimated) |
Who Is Cooper Flagg?
Cooper Flagg is an American professional basketball player for the Dallas Mavericks who was selected first overall in the 2025 NBA Draft. He plays forward and is known for his rare combination of size, athleticism, basketball IQ, and two-way impact. In his rookie season, he averaged 21 points, 6.7 rebounds, 4.5 assists, 1.2 steals, and 0.9 blocks per game — making him the first rookie since Michael Jordan in 1984-85 to lead his team in scoring, rebounding, assists, and steals simultaneously. He was named the 2025-26 Kia NBA Rookie of the Year and made the All-Rookie First Team as a unanimous selection.
Early Life — Newport, Maine and a Basketball Family
Cooper Flagg was born on December 21, 2006, in Newport, Maine — a small town of fewer than 3,000 people situated about 25 miles west of Bangor on the shores of Sebasticook Lake. Newport is not exactly a hotbed of NBA talent. It is a quiet, close-knit community where everyone knows everyone, and where the Flagg family was woven deeply into the fabric of local life.
His mother, Kelly Bowman Flagg, was a standout basketball player at the University of Maine who later became a high school coach. His father, Ralph Flagg, played basketball through the community college level. All three boys — Cooper, his twin brother Ace, and older brother Hunter — grew up with a basketball in their hands almost from the time they could walk.
The Flagg household was shaped by loss before Cooper was old enough to remember it. His older brother Hunter came into the world early, sharing his birth with a twin boy named Ryder. Ryder survived only two days. That weight, carried quietly by the family, sits in the background of a story that is otherwise defined by joy and achievement.
Along with the deep sports culture his parents built around the family, the Flagg household was defined by both resilience and purpose. Kelly and Ralph are die-hard Boston Celtics fans who gave their sons DVDs of the 1985-86 championship Celtics squad to study — an upbringing that helps explain why Cooper Flagg plays the game with more basketball IQ than most players twice his age.
By the beginning of sixth grade, Flagg was already over six feet tall. The following year, he could dunk on a regulation hoop. Newport watched one of its own become something genuinely exceptional long before the national media arrived.
Cooper Flagg Career Timeline
| Year | Milestone |
|---|---|
| 2006 | Born December 21 in Newport, Maine |
| 2021-22 | Freshman at Nokomis Regional HS; leads team to first-ever state title; named Maine Gatorade Player of the Year |
| 2022 | Wins 2022 USA Basketball Male Athlete of the Year at Under-17 World Cup |
| 2022 | Transfers to Montverde Academy in Florida |
| 2023 | Named MVP of Hoophall Classic; reclassifies to 2024 recruiting class |
| 2024 | Named McDonald’s All-American and Naismith Player of the Year; commits to Duke |
| 2024 | Invited to practice against US Olympic team at age 17; praised by Kevin Durant |
| 2024-25 | Freshman at Duke: 19.2 points, 7.5 rebounds, 4.2 assists; leads Duke to Final Four |
| April 2025 | Named Naismith, Wooden, ACC Player of the Year, National College Player of the Year |
| April 2025 | Declares for NBA Draft |
| June 2025 | Selected 1st overall by Dallas Mavericks |
| July 2025 | Signs 4-year, $62.73M rookie contract |
| December 2025 | Scores 42 points vs Jazz — youngest player in NBA history to score 40+ points |
| January 2026 | Scores 49 points vs Charlotte — then-record for most points by a teenager in NBA history |
| February 2026 | First seen publicly with girlfriend Arianna Roberson at Duke game |
| April 2026 | Scores 50+ points — new NBA record for teenager |
| April 2026 | Wins Kia NBA Rookie of the Year; named All-Rookie First Team unanimous selection |
| May 2026 | Vacations in Turks and Caicos with Arianna Roberson — relationship confirmed |
Cooper Flagg Net Worth 2026 — The Full Breakdown
Based on several trusted 2026 reports, including Spotrac contract details and NIL earnings reported by CBS Sports, Fox Sports, and ESPN, Cooper Flagg’s estimated net worth is around $40 million. Some estimates place his wealth between $30 million and $45 million, depending on the value of new endorsement deals after the NBA Draft. Overall, $40 million is the most commonly reported estimate and is supported by the available financial information.
Why $40 Million Is Actually a Conservative Number
The estimated $40 million net worth includes only money Cooper Flagg has already earned or is guaranteed to receive. It does not include the full value of future NBA contracts. He signed a rookie contract worth $28.3 million, with most guaranteed earnings coming in the first two years. Before entering the NBA, he earned about $28 million through NIL deals at Duke. Endorsement partnerships with New Balance, Gatorade, and Fanatics also continue to bring in income alongside his NBA salary. After taxes and everyday expenses, an estimated net worth of $40 million is a reasonable and well-supported figure.
How Cooper Flagg Makes His Money
NBA Rookie Contract — $62.73 Million Over Four Years
Flagg signed his four-year rookie scale contract with the Dallas Mavericks on July 7, 2025. The deal structure breaks down as follows:
| Season | Base Salary | Contract Status |
|---|---|---|
| 2025-26 | $13,825,920 | Fully Guaranteed |
| 2026-27 | $14,517,480 | Fully Guaranteed |
| 2027-28 | $15,208,440 | Team Option |
| 2028-29 | $19,178,386 | Team Option |
| Total | $62,730,226 | $28,343,400 Guaranteed |
The contract pays an average of $15.68 million per year, making it the largest rookie deal allowed under current NBA rules. Dallas almost certainly exercises both team options, meaning Flagg will earn the full $62.73 million through the 2028-29 season before becoming eligible for his first major extension.
Duke NIL Portfolio — Approximately $28 Million
Before joining the NBA, Flagg earned an estimated $28 million from NIL deals during his only season at Duke, according to reports from CBS Sports and Fox Sports. That amount is higher than what many NBA rookies make over their first three seasons. His biggest NIL partnerships included:
- New Balance — an estimated $13 million endorsement deal. The partnership is about more than money. New Balance has manufacturing facilities in Maine, close to Flagg’s hometown of Newport. Because he has always been proud of his Maine roots, the brand was a natural match. The connection reflects his hometown identity, making the partnership feel more personal than a typical shoe endorsement.
- Fanatics — an estimated $15 million deal covering merchandise and licensing rights.
- Gatorade — Flagg became the first men’s college basketball player in history to sign a Gatorade endorsement deal.
- Other NIL partners included Cort Furniture, AT&T, and The NIL Store.
New Balance Signature Deal — The Shoe That Could Be Worth Hundreds of Millions
After turning professional, Flagg’s New Balance deal converted into a full signature partnership. New Balance is rebuilding its basketball division and has positioned Flagg as its anchor athlete for the next decade. Industry analysts have already drawn comparisons to LeBron James and Stephen Curry, both of whom turned signature footwear lines into nine-figure annual revenue streams. If New Balance’s basketball division grows behind Flagg’s stardom the way those analysts project, his shoe deal alone could eventually surpass everything he earns on the court.
Gatorade and Fanatics — Ongoing Endorsements
Both the Gatorade and Fanatics deals from his Duke NIL period converted into ongoing post-draft endorsement arrangements. These activations generate income through product campaigns, content creation, and merchandise sales independent of his NBA salary.
Cooper Flagg’s Rookie Season — The Numbers Behind the Contract
The $40 million net worth looks different when you see what Flagg produced on the court in 2025-26. Playing for a Dallas Mavericks squad that finished 26-56 and was in the middle of a full rebuild following the controversial trade of Luka Dončić to the Los Angeles Lakers, Flagg shouldered the kind of responsibility that organizations normally shield rookies from completely.
| Stat | Average | Historical Context |
| Points | 21.0 | Led all rookies |
| Rebounds | 6.7 | Led team |
| Assists | 4.5 | Led team |
| Steals | 1.2 | Led team |
| Blocks | 0.9 | — |
| Field Goal % | 46.8% | — |
| Three-Point % | 29.5% | Only real weakness |
He was the leading scorer, rebounder, assist provider, and thief of the ball for his team all at once — a remarkable achievement that had only been accomplished by Michael Jordan during his rookie season. He made history as the first teenager in the NBA to score 50 points in a single game. In December 2025, Flagg scored 42 points against Utah at just 18 years and 359 days old. The performance made him the youngest player in NBA history to score 40 or more points in a game, breaking the previous record held by LeBron James by 94 days. He was awarded Rookie of the Year, receiving 56 out of 100 first-place votes, marking the closest competition since 2003.
The Billion-Dollar Projection — Is It Really Possible?
Fox Sports ran the calculation in 2025, and the math is genuinely striking. If Flagg earns All-NBA recognition in any of the next three seasons — which most projection models already expect — he becomes eligible for a supermax rookie extension under current CBA rules. That extension, starting in 2029-30, could exceed $300 million over five years based on the current cap trajectory.
If the NBA salary cap continues to increase, his second contract could be worth more than $500 million. Career earnings of $930 million through his first 14 NBA seasons — when he would be just 32 years old — are a projection, not a guarantee. But they are a projection based on current rules, current cap growth rates, and the assumption that Flagg continues performing at his current level.
Add shoe deal income, endorsement revenue, and business investments to on-court earnings, and the $1 billion career figure that Fox Sports has explored becomes less of a fantasy and more of a framework.
Net Worth Growth Projection
| Year | Estimated Net Worth | Key Driver |
|---|---|---|
| 2025 (pre-draft) | ~$28M | Duke NIL earnings |
| 2026 | ~$40M | Rookie salary + endorsements compounding |
| 2027 | ~$60M+ | Year 2 salary + potential All-NBA selection |
| 2029 | ~$100M+ | Supermax extension eligibility |
| 2035 | $500M+ | If second contract is supermax |
Personal Life — Family, Girlfriend, and a $180,000 Car Rule
Cooper Flagg keeps his personal life deliberately low-key for someone whose every move generates national media coverage. He remains close to his Newport roots and to his family, particularly his twin brother Ace. His mother, Kelly, set a widely-discussed limit on his first car purchase — reportedly telling him not to spend more than $180,000 despite his $62 million contract. Her reported words: “Do not buy a Bugatti right away.” That kind of household financial discipline is the same quality that separates athletes who retire wealthy from those who don’t.
Flagg’s relationship with Duke women’s basketball center Arianna Roberson became public knowledge gradually through early 2026. The two overlapped at Duke during the 2024-25 season. In February 2026, they were photographed together at a Duke game. The moment that removed all ambiguity came at Flagg’s Rookie of the Year press conference on April 29, 2026, where Roberson was photographed sitting in the family-only section alongside his parents.
A vacation in the Turks and Caicos in early May 2026 — with both posting from the same location on Instagram — confirmed the relationship publicly. Roberson, who stands 6 feet 4 inches tall, averaged 8.0 points and 5.7 rebounds during her freshman season at Duke. She also comes from a strong sports family, as her brother Andre Roberson previously played in the NBA for the Oklahoma City Thunder.
Cooper Flagg’s Social Media
| Platform | Handle |
| @cooper_flagg |
Cooper Flagg vs Other Recent #1 Overall NBA Picks — Wealth Comparison
| Player | Draft Year | Rookie Contract | Net Worth After Year 1 |
| Cooper Flagg | 2025 | $62.73M | ~$40M |
| Victor Wembanyama | 2023 | $55.1M | ~$25M |
| Paolo Banchero | 2022 | $44.5M | ~$15M |
| Cade Cunningham | 2021 | $44.9M | ~$12M |
| Anthony Edwards | 2020 | $29.2M | ~$10M |
Flagg’s significantly higher net worth after year one compared to recent top picks reflects the historic scale of his Duke NIL earnings — a financial advantage that did not exist for players drafted before the NIL era began.
What’s Next for Cooper Flagg’s Net Worth
As Flagg heads into his sophomore season, two developments will determine how quickly his net worth grows toward nine figures. The first is his on-court performance — specifically, whether he earns All-NBA recognition, which triggers supermax extension eligibility. The second is the trajectory of his New Balance shoe line, which the brand is investing in heavily as its primary basketball marketing platform.
Dallas also parted ways with head coach Jason Kidd following the season, and the new coaching staff’s system will affect how Flagg’s statistical profile develops. What is not in question is the financial infrastructure already in place — a $62.7 million contract, documented NIL earnings, and ongoing brand deals that give Flagg one of the most secure financial positions of any 19-year-old in American sports history.
Also read: Justin Timberlake Net Worth 2026
Conclusion
Cooper Flagg’s $40 million net worth in 2026 is what happens when once-in-a-generation athletic talent meets the NIL era of college sports and a franchise-altering NBA draft position. He grew up in a small Maine town where his mother coached basketball, and his father built a household around the game’s fundamentals.
He won a state title as a freshman, transferred to one of America’s most prestigious basketball academies, spent one year at Duke earning more in NIL deals than most NBA veterans earn in their careers, went first overall to Dallas, and then proceeded to have one of the most statistically impressive rookie seasons in the history of professional basketball. He is 19 years old. His financial journey will be interesting to watch in the coming years.
Frequently Asked Questions
What is Cooper Flagg’s net worth in 2026?
Cooper Flagg’s net worth in 2026 is estimated at approximately $40 million, built through his $62.73 million Dallas Mavericks rookie contract, approximately $28 million in Duke NIL earnings, and ongoing endorsement deals with New Balance, Gatorade, and Fanatics.
How much is Cooper Flagg’s NBA contract?
In July 2025, Flagg signed a four-year rookie contract worth $62.73 million with the Dallas Mavericks. The deal guarantees $28.34 million over the first two seasons. His 2025-26 base salary was $13,825,920.
Who is Cooper Flagg’s girlfriend?
Flagg is linked to Arianna Roberson, a 6-foot-4 center for the Duke University women’s basketball team. Their relationship became public through a series of events in early 2026, including Roberson sitting in the family section at Flagg’s Rookie of the Year press conference and shared social media posts from a Turks and Caicos vacation.
How much did Cooper Flagg earn in NIL deals at Duke?
Multiple credible sources, including CBS Sports and Fox Sports, reported Flagg’s Duke NIL total at approximately $28 million during his single college season, with headline deals from New Balance ($13M), Fanatics ($15M), and Gatorade.
Can Cooper Flagg become the first North American athlete to earn $1 billion in contracts?
Fox Sports explored this projection in 2025. If Flagg qualifies for supermax extensions on his second and third contracts under current CBA rules and salary cap growth projections, his on-court career earnings through age 32 could approach $930 million — with shoe deals and endorsements potentially pushing the total past $1 billion.
