The Fantasy Basketball Encyclopedia

Player Dossier Β· Dallas Mavericks

Cooper Flagg

Cooper Flagg is Dallas's only bankable early-round fantasy player, but a pick in the teens prices in a major Year-2 efficiency and three-point leap.

2026-27 projection

GP MPG FG% (FGA) FT% (FTA) 3PM PTS REB AST STL BLK TO
72 36 .485 (19.2) .830 (5.7) 1.6 24.8 7.3 5.2 1.3 1.0 2.6

Baseline: as a 19-year-old rookie he played 70 games and averaged 21.0/6.7/4.5 with 1.2 steals, 0.9 blocks, 46.8% FG, 82.7% FT, and only 1.0 three on 29.5% shooting. The projection adds usage and normalizes shooting without assuming the 26/8/5 ceiling discussed in public drafts.

Fantasy translation

Role, floor, ceiling, uncertainty

Sources

Career record

Pre-NBA: Nokomis Regional High School in Maine, then Montverde Academy in Florida after reclassifying up a year; the top-ranked recruit in the 2024 class and national high school player of the year as a senior. Duke, one season (2024-25): 37 games, 30.7 minutes, 19.2 points, 7.5 rebounds, 4.2 assists, 1.4 steals, 1.4 blocks on .481 from the field, .385 from three, .840 at the line. Consensus national player of the year and consensus first-team All-American, plus ACC Player of the Year, ACC Rookie of the Year, NABC Freshman of the Year, and the Olson, Erving, and Tisdale awards. He sprained an ankle in the ACC Tournament quarterfinal in March 2025. Draft: 2025, first round, first overall, Dallas Mavericks. Not traded.

Season Age Team GP MPG PTS REB AST STL BLK 3PM FG% FT% TO
2025-26 19 DAL 70 33.5 21.0 6.7 4.5 1.2 0.9 1.0 .468 .827 2.3
Career 70 33.5 21.0 6.7 4.5 1.2 0.9 1.0 .468 .827 2.3

Underlying volume: 559-for-1,194 from the field, 72-for-244 from three, 283-for-342 at the line. He started all 70 games, won Rookie of the Year, and made the All-Rookie First Team. He is the third rookie in 45 years to average at least 20 points, six rebounds, and four assists, after Michael Jordan and Luka Doncic.

Fantasy history: One season, and a season-end 9-category rank was not retrievable, so no finish is asserted. The shape is legible from the table and is unusual for a rookie: he was a positive in points, assists for a forward, steals, blocks, and free-throw percentage, roughly neutral in rebounds and field-goal percentage, and a single hard negative in threes β€” 1.0 make on .295 shooting is an actively damaging line at his attempt volume. Turnovers at 2.3 are mild for a 21-point creator. Points leagues rated him materially better than categories did, because the .295 three-point percentage carries no penalty there while the scoring, assists, and stocks all do count.

Durability: 70 games as a rookie, 12 missed. The identified cause is a left midfoot sprain suffered on 10 February 2026 against Phoenix β€” he left that game after 27 points, was ruled out on 12 February against the Lakers, missed the Rising Stars event at All-Star Weekend, and sat six consecutive games before returning; he was out of the walking boot and running by 19 February. Two further absences are now documented: an illness that cost the 19 November 2025 game against New York, and a second single game against Utah. He also sprained the same-side ankle in the regular-season finale against Chicago, leaving with 10:11 left in the second quarter after landing awkwardly on a tip-in attempt; that ended his season but cost no regular-season games. The balance of the missed games is most likely load management on a 19-year-old rather than a third injury. No chronic condition, no surgery, no recurrence.

Trajectory: One season is not a trajectory, so the useful work here is separating what is already real from what the market is pricing as a leap. Real: the creation is genuine β€” 4.5 assists at 19 while starting every game, plus 2.1 combined stocks, is a two-way base almost nobody has at that age, and 22.6 points per 36 means the scoring was not a minutes artifact. Not yet real: the jumper. He shot .385 from three on 37 college games and .295 across 244 NBA attempts, and the honest reading is that neither sample is the truth. The strongest evidence for improvement is the .827 free-throw percentage on 342 attempts, which is the single best available predictor that a young player's three-point percentage will regress upward, and it is a much larger and more stable sample than the three-point line itself. The 2026-27 case therefore has an unusual structure: the floor is protected by categories that have nothing to do with shooting, while essentially all of the ceiling β€” and the justification for a pick in the teens β€” rides on the three becoming neutral. Age 19 to 20 is also the steepest part of the development curve, which argues for buying the leap rather than waiting for proof.

Career sources: ESPN career stats Β· Wikipedia (Duke, high school, draft) Β· NBA.com β€” midfoot sprain Β· KERA β€” midfoot sprain timeline Β· Mavs Moneyball β€” Rookie of the Year Β· ESPN β€” season-ending ankle sprain in the finale

Open questions