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
$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.
Puts up 18 points in return
FDallas Mavericks
January 20, 2026
Flagg (ankle) tallied 18 points (7-14 FG, 1-4 3Pt, 3-6 FT), seven rebounds, three assists and one steal across 28 minutes Monday in the Mavericks' 114-97 win over the Knicks.
ANALYSIS Flagg was back in action Monday after the left ankle sprain that he sustained in last Wednesday's loss to the Nuggets had kept him out for two straight games. The standout rookie slid back into the starting five at point guard but took on a more subdued role on offense than usual, as he finished third behind teammates Max Christie (26 points) and Naji Marshall (19 points) in scoring. Flagg was also eased back in with a slightly lighter workload than normal -- he averages 33.9 minutes per game for the season -- but look for his playing time to pick up in the Mavericks' next game Thursday versus the Warriors.
2024 NBA Per Game Split Stats - Starting/Off Bench
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2024 NBA Per Game Split Stats - Days Rest
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2024 NBA Per Game Split Stats - Vs Opp
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Advanced Stats
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2025
Stat Review
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 %
55.6%
Effective Field Goal %
51.1%
3-Point Attempt Rate
22.8%
Free Throw Rate
28.6%
Offensive Rebound %
3.6%
Defensive Rebound %
15.6%
Total Rebound %
9.8%
Assist %
18.6%
Steal %
1.6%
Block %
1.9%
Turnover %
9.5%
Usage %
23.7%
Fantasy Points Per Game
36.4
Fantasy Points Per Minute
1.1
Total
Per Game
Per 36
NBA Historical Fantasy Stats
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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NBA Per Game Historical Fantasy Stats
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NBA Per 36 Historical Fantasy Stats
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Historical ADP
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Mavericks Depth Chart
Our full team depth charts are reserved for RotoWire subscribers.
Average Fantasy Points are determined when Cooper Flagg was active vs. non-active during the season. Click here to view average fantasy points for a different time period.
Minutes
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Yahoo
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More Fantasy News
Good to go Monday
FDallas Mavericks
January 19, 2026
Flagg (ankle) is available for Monday's game against the Knicks.
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Expected to play Monday
FDallas Mavericks
Ankle
January 19, 2026
Flagg (ankle) is expected to play in Monday's game against the Knicks, NBA reporter Marc Stein reports.
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Game-time call for Monday
FDallas Mavericks
Ankle
January 18, 2026
Flagg (ankle) is questionable for Monday's game against the Knicks.
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Officially out vs. Jazz
FDallas Mavericks
Ankle
January 17, 2026
Flagg (ankle) has been ruled out for Saturday's game against Utah.
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Doubtful for Saturday
FDallas Mavericks
Ankle
January 16, 2026
Flagg (ankle) is listed as doubtful for Saturday's game against the Jazz.
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Latest Fantasy Rumors
Named West Rookie of the Month
FDallas Mavericks
January 2, 2026
Flagg was named the Western Conference Rookie of the Month for December on Friday.
ANALYSIS Flagg really seemed to find his stride in December, putting together the best stretch of his young career. Across 14 appearances, he produced averages of 23.5 points, 6.2 rebounds, 4.8 assists, 1.2 blocks, 1.0 steals and 1.0 three-pointers on 51.6 percent shooting from the field.