Cooper Flagg bounced back from a rough NBA Summer League debut, erupting for 31 points in Dallas Mavericks’ 76-69 defeat against San Antonio Spurs on July 12, 2025, in Las Vegas. Despite loss, Flagg’s performance showcased his potential as No. 1 overall pick in 2025 NBA Draft.

He shot 10-of-20 from field, 3-of-8 from three, and added four rebounds, thrilling fans with two massive dunks.
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After scoring just three points in first quarter Flagg ignited in second, dropping 12 points to pull Mavericks from double-digit deficit. A highlight-reel alley-oop dunk off Ryan Nembhard’s pass and one-handed slam in final seconds of third quarter electrified Thomas & Mack Center crowd. However, Spurs, led by David Jones-Garcia’s 21 points, surged in fourth with 12-6 run, securing victory.
Flagg’s debut against Lakers on July 10 saw him struggle, shooting 5-of-21 for 10 points but delivering key defensive play and assist in 87-85 win. Saturday’s outing proved his offensive prowess, though he couldn’t overcome Spurs’ late push. Mavericks, now 1-1 face Charlotte Hornets next on Monday.