When is Cooper Flagg's first Summer League game? Mavs rookie to face Lakers, Bronny James to open professional career
Cooper Flagg will make his NBA Summer League debut in the most enticing of matchups.
The Mavericks will face the Lakers on July 10 in Las Vegas, as fans will get to watch Flagg for the first time as an NBA player. The phenom from Duke was selected by Dallas at No. 1 overall in the 2025 NBA Draft.
The Mavericks won the lottery (and the right to take Flagg) after trading Luka Doncic to the Lakers. Dallas general manager Nico Harrison hopes Flagg can usher in a new era of winning basketball.
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Here's a look at Cooper Flagg's first NBA Summer League game.
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Cooper Flagg first NBA Summer League game
Flagg will make his NBA Summer League debut on July 10 against Bronny James and the Lakers. The game will tip off at 8 p.m. ET.
📢 #NBA Programming Update:
— ESPN PR (@ESPNPR) June 27, 2025
July 10, @ESPNNBA will present an @NBASummerLeague doubleheader ft. the Mavericks debut of @Cooper_Flagg against the Lakers & Bronny James⁰
🏀 8p ET | @dallasmavs vs @Lakers
🏀 10p ET | @spurs vs @sixers pic.twitter.com/XwQ1lbCoUv
In his first NBA competition, Flagg will face the team that he will be linked to throughout his NBA career. Los Angeles was the team that acquired Doncic, who Flagg will try to replace as the franchise cornerstone in Dallas.
The rest of the NBA Summer League schedule has not been released yet.
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