The San Antonio Spurs took down Cooper Flagg and the Dallas Mavericks 76-69 in NBA Summer League action. Dylan Harper made his debut for the Spurs after missing their first few Summer League games due to a groin injury, and he was limited to a 20-minute restriction for this game, but he still had a solid outing.

The Dallas Mavericks are riding high after the arrival of No. 1 pick Cooper Flagg, but they could be without one of their most promising young players for a while.

MIN FG 3PT FT OREB DREB REB AST STL BLK TO PF +/- PTS 6 1-2 1-2 0-0 0 0 0 1 0 0 0 0 +4 3

A stress fracture in his right ankle sidelined Lively in January of last season, and he didn't return to the lineup until April.

Center Dereck Lively II recently underwent surgery to remove bone spurs in his right foot, according to multiple reports.