Cooper Flagg

Cooper Flagg

19-Year-Old ForwardF
Dallas Mavericks
Out
Injury Ankle
Est. Return 10/1/2026
2025 Fantasy Outlook
Flagg's storybook rise to the NBA started when he became the first freshman ever to be named the Maine Gatorade Player of the Year, leading Nokomis Regional to the state title in 2021. He transferred to a national powerhouse, Montverde Academy, the following year, winning the 2022 USA Basketball Male Athlete of the Year and the 2024 National High School Player of the Year. The awards kept coming in college, including ACC Rookie of the Year, ACC All-Defensive Team and National College Player of the Year during his lone season at Duke. Flagg has the height, strength and instincts to play down low as a shot blocker, but he also has the quickness and athleticism to lock down on the perimeter. Plus, his motor never wanes on that end of the court. Flagg put up elite offensive numbers at Duke and has immense potential, but is far from a polished prospect. However, the phenom showed vast improvements early at the collegiate level and eventually emerged as Duke's go-to offensive player in clutch situations. There's nothing Flagg can't do on a basketball court, which is why he was the consensus No. 1 overall pick, but he'll have to continue to improve to live up to his lofty expectations. With Kyrie Irving slated to miss at least the first half of the season, Flagg will be forced into uncomfortable offensive situations early in his career, but the Mavericks' new franchise player's ability to stuff the stat sheet makes him an intriguing fantasy option, even if there are concerns about how his offensive game will translate to the NBA. Read Past Outlooks
RANKS
Current Season
From Preseason
#56
ADP
Signed a two-year, $28.34 million contract with the Mavericks in July of 2025. Contract includes $15.21 million team option for 2027-28.
Personal Bio/PreCareer Summary

Flagg was the first freshman named Maine Gatorade Player of the Year after leading Nokomis Regional to the state title in 2021. Following the storybook season, he transferred to Montverde Academy and continued to dominate, winning 2022 USA Basketball Male Athlete of the Year and 2024 National High School Player of the Year. Flagg continued to collect awards in his lone collegiate season, including ACC Rookie of the Year, ACC All-Defensive Team and National College Player of the Year. Flagg averaged 19.2 points, 7.5 rebounds, 4.2 assists, 1.4 steals and 1.4 blocks in 30.6 minutes across 37 games. He was efficient in every phase, posting 48/84/39 shooting splits on 13.4 field-goal attempts, 3.6 three-point tries and 5.8 free-throw trips per game. Flagg was Duke's best player all season, leading the Blue Devils to a Final Four appearance before losing to the Houston Cougars. Flagg's elite defensive versatility separates him from the rest of the 2025 class. He has the height, strength and instincts to play down low as a shot blocker, but he also has the quickness and athleticism to lock down on the perimeter. Plus, his motor never wanes on that end of the court. Offensively, Flagg, who put up elite numbers at Duke, is far from a polished prospect, but the potential is glaring. Flagg showed vast improvements early at the collegiate level and eventually emerged as Duke's go-to offensive player in clutch situations. There's nothing Flagg can't do on a basketball court, which is why he's the consensus No. 1 overall pick, but he'll have to continue to improve to live up to his lofty expectations. Flagg's floor is higher than most projected No. 1 overall draft picks due to his defensive prowess and versatility, but if he's able to unlock his full offensive potential, watch out. For his size, Flagg is an elite shooter, passer and ballhandler. However, compared to the elite shooters, passers and ballhandlers at the NBA level, Flagg still has plenty of room to grow. If he turns into a sharpshooter, Flagg could look like a more athletic Larry Bird (6'9, 220) in a few years. If he focuses on his paint scoring and passing, Flagg may have an offensive game similar to Franz Wagner (6'10, 220) or Scottie Barnes (6'7, 225). If his 1-on-1 game flourishes at the next level, Flagg would likely start drawing comparisons to Jayson Tatum (6'8, 209). Flagg will start from Day 1 and likely be a franchise player.

Named to All-Rookie team
FDallas Mavericks
Ankle
May 20, 2026
Flagg was named to the NBA All-Rookie First Team for the 2025-26 season Wednesday, Shams Charania of ESPN reports
ANALYSIS
Flagg was a unanimous selection and is the first Maverick since Luka Doncic to earn a spot on the team. The 19-year-old is coming off a magnificent inaugural campaign, finishing with averages of 21.0 points, 6.7 rebounds, 4.5 assists, 0.9 blocks and 1.2 steals across 33.5 minutes in 70 games, good enough to earn the Rookie of the Year award. With Dallas recently parting ways with head coach Jason Kidd, it's unknown how his departure will impact Flagg, specifically, what position he will play from game-to-game. Still, he is anticipated to remain in the All-Star conversation for years to come while potentially flirting with an MVP award somewhere down the line. Flagg's only noteworthy flaws were his 2.3 turnovers per contest as well as his subpar shooting from behind the arc, with the former Duke Blue Devil sinking only 29.5 percent of his three-point shots. He also suffered an ankle injury at the end of the season, although he's expected to be ready to go well before the start of the new year.
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Stat Review
2025
How does Cooper Flagg compare to other players?
This section compares his stats with all players from the previous three seasons (minimum 200 minutes played)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.
  • True Shooting %
    An advanced statistic that measures a player's efficiency at shooting the ball that takes field goal percentage, free throw percentage, and three point percentage into account.
  • Effective Field Goal %
    A statistic that adjusts field goal percentage to account for the fact that three-point field goals count for three points while field goals only count for two points.
  • 3-Point Attempt Rate
    Percentage of field goal attempts from three point range.
  • Free Throw Rate
    Number of free throw attempts per field goal attempt.
  • Offensive Rebound %
    An estimate of the percentage of available offensive rebounds a player grabbed while they were on the floor.
  • Defensive Rebound %
    An estimate of the percentage of available defensive rebounds a player grabbed while they were on the floor.
  • Total Rebound %
    An estimate of the percentage of available rebounds a player grabbed while they were on the floor.
  • Assist %
    An estimate of the percentage of teammate field goals a player assisted while they were on the floor.
  • Steal %
    An estimate of the percentage of opponent possessions that end with a steal by the player while they were on the floor.
  • Block %
    An estimate of the percentage of opponent two-point field goal attempts blocked by the player while they were on the floor.
  • Turnover %
    An estimate of turnovers committed per 100 plays.
  • Usage %
    An estimate of the percentage of team plays used by a player while they were on the floor.
  • Fantasy Points Per Game
    NBA Fantasy Points Per Game.
  • Fantasy Points Per Minute
    NBA Fantasy Points Per Minute.
True Shooting %
54.8%
 
Effective Field Goal %
49.8%
 
3-Point Attempt Rate
20.4%
 
Free Throw Rate
28.6%
 
Offensive Rebound %
3.9%
 
Defensive Rebound %
17.0%
 
Total Rebound %
10.5%
 
Assist %
21.5%
 
Steal %
1.5%
 
Block %
2.3%
 
Turnover %
8.8%
 
Usage %
26.9%
 
Fantasy Points Per Game
39.8
 
Fantasy Points Per Minute
1.2
 
NBA Historical Fantasy Stats
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How are these ratings calculated?
Our historical fantasy ratings are standard scores calculated using 8-Category settings with 12 teams and 13 players per team.
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Average Fantasy Points
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Recent RotoWire Articles Featuring Cooper Flagg See More
Recent RotoWire Articles Featuring Cooper Flagg See More
More Fantasy News
Brings home ROY honors
FDallas Mavericks
Ankle
April 27, 2026
Flagg (ankle) was named the 2025-26 Kia NBA Rookie of the Year on Monday, Grant Afseth of DallasHoopsJournal.com reports.
ANALYSIS
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Won't return Sunday
FDallas Mavericks
Ankle
April 12, 2026
Flagg (ankle) will not return to Sunday's game against the Bulls.
ANALYSIS
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Heads to locker room Sunday
FDallas Mavericks
Ankle
April 12, 2026
Flagg exited for the locker room during Sunday's game against the Bulls due to an apparent left ankle injury, K.C. Johnson of Chicago Sports Network reports.
ANALYSIS
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Drops 33 points in defeat
FDallas Mavericks
April 10, 2026
Flagg finished Friday's 139-120 loss to the Spurs with 33 points (13-25 FG, 3-7 3Pt, 4-4 FT), six rebounds and five assists in 32 minutes.
ANALYSIS
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Available Friday
FDallas Mavericks
April 10, 2026
Flagg (wrist) has been cleared to play in Friday's game against the Spurs.
ANALYSIS
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Latest Fantasy Rumors
Named Rookie of the Year
FDallas Mavericks
April 27, 2026
Flagg was named the 2025-26 Rookie of the Year on Monday.
ANALYSIS
Flagg was the youngest player in the NBA in the 2025-26 season. However, he certainly didn't look like it by the numbers, as he averaged 21.0 points, 6.7 rebounds, 4.5 assists and 1.2 steals in 33.5 minutes per night across 70 regular-season appearances. Flagg, who became the second rookie in NBA history -- Michael Jordan being the other -- to lead his team in total points, rebounds, assists and steals since 1973, edged Kon Knueppel and VJ Edgecombe in the race for the award. Flagg did miss part of the last game of the season after suffering an ankle injury.
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