Oct 26, 2025; Dallas, Texas, USA; Dallas Mavericks forward Cooper Flagg (32) moves the ball to the basket against the Toronto Raptors during the second half at the American Airlines Center. Mandatory Credit: Jerome Miron-Imagn Images / Jerome Miron-Imagn Images

Cooper Flagg experienced the most challenging matchup of his young NBA career on Monday night. The No. 1 overall pick in the 2025 NBA draft scored just two points in the Dallas Mavericks' loss to the Oklahoma City Thunder, one night after a 22-point output.

Flagg followed the best game of his young NBA career with his worst on the tail end of his first back-to-back in the league.

Dallas Mavericks rookie sensation Cooper Flagg accomplished something the NBA hasn't seen since Kobe Bryant way back in 1997.

After being overshadowed in his NBA debut earlier this week by Victor Wembanyama, Mavericks No. 1 pick Cooper Flagg tried to take matters into his own hands during his second start, a notable performance few in league history have accomplished prior.

NBA Week 1: Austin Reaves, Cooper Flagg lead one thing I'm excited about for all 30 teams originally appeared on The Sporting News. Add The Sporting News as a Preferred Source by clicking here.

The rookie from Maine barely got through the opening seconds of the second game Monday night before hurting his left shoulder.

The Mavericks rookie had an impressive third game in the NBA, as he led the Mavs to their first win of the season.

Cooper Flagg appears to be figuring things out three games into his NBA career. The Dallas Mavericks rookie put together his best outing so far in a 139-129 win over the Toronto Raptors on Sunday. He dropped 22 points on 8-of-14 shooting, adding four rebounds, four assists and a block.

Dallas Mavericks fans have made a fast tradition of singing Cooper Flagg's name during the national anthem at home games.