Jul 12, 2025; Las Vegas, NV, USA; Dallas Mavericks forward Cooper Flagg (32) looks on against the San Antonio Spurs in the second quarter of their game at Thomas & Mack Center. Mandatory Credit: Candice Ward-Imagn Images Candice Ward-Imagn Images

Cooper Flagg Thinks His Mom Won't Be Happy After Mavs-Spurs Game

Originally posted on Fastbreak on SI | By Ben Stinar | Last updated Jul 12, 2025 9:00 PM ET

On Saturday afternoon, Cooper Flagg and the Dallas Mavericks lost to the San Antonio Spurs (at NBA Summer League) by a score of 76-69.

Cooper Flagg had a strong day with 31 points while shooting 10/21 from the field in 31 minutes of playing time.

That said, Flagg could have had even more points, as he missed five out of his 13 free throws.

After the game, the former Duke superstar mentioned how his mom would not be happy about those missed free throws.

Flagg (h/t Mike Curtis of The Dallas Morning News): "I got to the line a little bit better today. I still missed a bunch of free throws. I know my mom probably wasn't very happy with that."

Cooper Flagg said he felt more comfortable in today’s game against the Spurs. He finished with 31 points and four rebounds (10-21 FG; 8-13 FT).

“I still missed a bunch of free throws. I know my mom probably wasn’t very happy with that.” pic.twitter.com/I84jTv5xPm
— Mike Curtis (@MikeACurtis2) July 12, 2025

The matchup also got a lot of attention due to the fact that Flagg went up against Dylan Harper (who was the second pick in the 2025 NBA Draft).

Via House of Highlights: "COOPER FLAGG AND DYLAN HARPER DUELING IN SUMMER LEAGUE

FLAGG: 31 PTS, 4 REB, 1 AST, 1 BLK, 50% FG
HARPER: 16 PTS, 6 REB, 2 AST, 2 STL, 1 BLK"

COOPER FLAGG AND DYLAN HARPER DUELING IN SUMMER LEAGUE

FLAGG: 31 PTS, 4 REB, 1 AST, 1 BLK, 50% FG
HARPER: 16 PTS, 6 REB, 2 AST, 2 STL, 1 BLK pic.twitter.com/kUG0cF4ZZx
— House of Highlights (@HoHighlights) July 12, 2025