DALLAS (AP) — Victor Wembanyama had 40 points and 15 rebounds in a highlight-reel return, helping the San Antonio Spurs spoil No. 1 overall pick Cooper Flagg's debut in a 125-92 rout of the Dallas Mavericks on Wednesday night.

Flagg, the second-youngest player to start in his NBA debut — two days older than LeBron James was in 2003 — didn't score until the first possession of the second half. The 18-year-old from Duke finished with 10 points and 10 rebounds.

Flagg struggled to find rhythm compared to the second overall pick, Dylan Harper, who came off the Spurs' bench midway through the first quarter and sparked the run that put San Antonio in control. Harper scored 15 points. Reigning Rookie of the Year Stephon Castle added 22 points for the Spurs.

Anthony Davis had 22 points and 13 r

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