Mavericks Make Cooper Flagg Announcement After Second Summer League Game originally appeared on Athlon Sports. The Dallas Mavericks came up short against the San Antonio Spurs on Saturday, falling 76–69 in their second NBA Summer League game. But despite the loss, Cooper Flagg was undeniably the best player on the court.

LAS VEGAS (AP) — Cooper Flagg made his professional debut Thursday night in the NBA 2K26 Summer League and celebrated an 87-85 win over Bronny James and the Los Angeles Lakers.

In his second Summer League outing, the 18-year-old Flagg put up a game-high 31 points while shooting 10-for-21 against the Spurs on Saturday. The Mavericks ultimately lost the game 76-69, with incoming rookie Dylan Harper leading the way with 16 points, six rebounds and two steals for San Antonio.