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Mavericks Nightly Desk · injury report · Friday, October 23

Cooper Flagg ruled out vs Spurs with left shoulder soreness

Day-To-Day→OutLeft shoulder

Flagg won't return to Friday's game against the Pacers due to left shoulder soreness, Brett Siegel of ClutchPoints.com reports.

Cooper Flagg
Cooper Flagg
Dallas Mavericks · F · #32
Next game
vs Thunder
Wed, Oct 28 · 9:30 PM ET · ESPN / KFAA
Expected return
Not announced
2026-27 line
25.0 · 5.3 · 6.3
pts · reb · ast · 3 gp · 29.9 min
Mavericks this season
2-1 with · 0-1 without
regular season record with and without him
By the Mavericks Nightly Desk · 5 d ago

Cooper Flagg went from day-to-day to out on Friday night's injury report because of a left shoulder issue, and he did not return to Friday's game against the Pacers. The 19-year-old forward is out for Saturday's home game against the Spurs, and the report lists Oct. 26 as his expected return.

What happened

The Mavericks' injury report changed Cooper Flagg's status to out at 10:27 p.m. ET on Friday, Oct. 23. Earlier that day he had been day-to-day with a left shoulder issue. The report's comment says Flagg would not return to Friday's game against the Pacers because of left shoulder soreness, per Brett Siegel of ClutchPoints.com. This is his second listing of the young season. He was day-to-day for rest on Oct. 14 and was cleared on Oct. 16. The report gives an expected return date of Oct. 26.

What it means for the Mavericks

Dallas hosts the Spurs on Saturday, Oct. 24, at 8 p.m. ET. The Mavericks are 1-1, eighth in the standings, and won their last game. They have not played a game without Flagg this season. He is averaging 32.0 points, 5.0 rebounds and 2.0 assists in 32.9 minutes. Last season he averaged 21.0 points, 6.7 rebounds and 4.5 assists over 70 games. Max Christie (33.2 minutes, 10.5 points), P.J. Washington (31.9, 15.0), Naji Marshall (31.0, 15.5) and Zaccharie Risacher (29.4, 7.5) lead the rotation in minutes. Kyrie Irving scores 19.5 points a game. Dallas also has Jett Howard, Caleb Martin, Tarik Biberovic, Dereck Lively II and Santi Aldama listed out.

What to watch

The next injury report will show whether Flagg's status changes before Saturday's game against San Antonio. The report lists Oct. 26 as his expected return, but that date is a target, not a confirmed return. The shoulder injury is on his left side. No other diagnosis or timeline has been announced. With five other players already out, watch how the Mavericks split Flagg's minutes among Washington, Marshall, Risacher and Christie.

Is Cooper Flagg playing vs Spurs on Sat, Oct 24?

No. The injury report lists Flagg as out with left shoulder soreness, and his expected return is Oct. 26.

When will Cooper Flagg be back?

The injury report lists Oct. 26 as his expected return. No other timeline has been announced.

By the Mavericks Nightly Desk, from the data on this page, rewritten when the data changes. How the desks work.
Next up · Wed, Oct 28
Thunder at Mavericks
9:30 PM ET · ESPN / KFAA

Who picks up the minutes

this season
P.J. Washington35.1 min · 15.5 pts
Zaccharie Risacher30.1 min · 8.0 pts
Max Christie29.5 min · 9.3 pts
Naji Marshall27.6 min · 13.7 pts
The rotation by minutes, minus him. Full rotation tracker →

Mavericks report now

full report →
OutCaleb Martin · Right thumb
OutDereck Lively II · Right foot
OutSanti Aldama · Right knee
OutTarik Biberovic · Right heel
OutSergio de Larrea · Right knee
Day-To-DayNaji Marshall · Illness
Day-To-DayKyrie Irving · Knee

More Mavericks injury updates

league report →

Status and detail from the official injury report as published; return dates only when the report gives one. Times ET.