Dallas Mavericks star Cooper Flagg is taking his connection to the trading-card hobby beyond appearing on packs and inside collectorsâ boxes.
Flagg revealed during an upcoming interview with Kevin Hart that he and his cousin are starting a card shop back home. The Mavericks shared a preview of the conversation from Hartâs ice-bath interview series, âCold as Balls.â
âItâs cool,â Flagg said in the Mavericksâ video. âMe and my cousin, weâre starting a shop back home. Weâre starting a card shop.â
Hart immediately stopped Flagg from treating the announcement as a minor detail.
âHe just drops that down like itâs not that big of a deal,â Hart said. âThatâs a big deal, man.â
The Mavericksâ clip did not provide a name, location or opening date for the shop. Flagg also did not identify which cousin is joining him in the venture.
Even without those details, the announcement has a natural connection to Flaggâs rapidly growing profile in the sports-card industry.
Cooper Flagg Has Already Become a Major Name for Collectors
Flagg did not enter the hobby as an ordinary NBA rookie.
Topps selected the Mavericks forward as the cover athlete for its flagship 2025-26 basketball release, placing him at the center of the companyâs return to fully licensed NBA cards. Topps described Flagg as the leading figure on a cover designed to introduce a new basketball-card era.
The official Topps basketball collection also presented its 2025-26 rookie class as one led by Flagg, reflecting the demand surrounding his first cards in a Mavericks uniform.
His performance on the court only increased that attention.
Flagg won the 2025-26 NBA Rookie of the Year award after leading all rookies with 21.0 points per game. He also averaged 6.7 rebounds, 4.5 assists, 1.2 steals and 0.9 blocks over 70 appearances for Dallas.
The No. 1 overall pick became one of only two rookies since steals became an official statistic to lead his team in total points, rebounds, assists and steals. The other was Michael Jordan.
Flagg was subsequently selected unanimously to the NBA All-Rookie First Team, joining a Mavericks list that includes Luka DonÄiÄ, Jason Kidd, Jamal Mashburn and Dereck Lively II.
Those accomplishments give Flaggâs proposed shop an unusual potential advantage. He would not merely be an athlete attaching his name to a collectibles business. He is already one of the players driving interest in the current basketball-card market.
Flaggâs Business Will Be a Family Project Back Home
Flagg offered the information while Hart was asking how he has managed his sudden fame and success.
His answer suggested that starting the shop with his cousin is one way he is staying connected to his life away from the NBA spotlight. Flagg grew up in Newport, Maine, before attending Montverde Academy and playing one season at Duke.
It is not yet clear whether âback homeâ means the shop will be based in Maine. The Mavericksâ preview did not confirm its location, and Flagg did not explain whether he will have an active role in its daily operation.
Still, the family component made the disclosure more personal than a standard endorsement announcement. Flagg described the project casually, while Hart recognized that launching a business with a family member represented a meaningful step.
The contrast fit the larger interview. Hart and Flagg traded jokes about golf and their ability to handle the freezing water, but the card-shop conversation gave the preview its most substantive moment.
Flagg Joins Kevin Hartâs New Netflix Lineup
Flagg is among six guests scheduled to appear in new âCold as Ballsâ episodes coming to Netflix later this summer.
The other announced participants are Serena Williams, Rob Gronkowski, Zlatan IbrahimoviÄ, Sean OâMalley and IShowSpeed. The episodes were filmed at Fanatics Fest in New York, according to Variety.
The series, which debuted in 2017, places Hart and prominent sports figures in tubs filled with ice while they discuss their careers and personal lives. Its previous guests have included Tom Brady, Kelsey Plum and Blake Griffin.
Flaggâs full interview could provide more information about the planned card shop, including where it will operate and when it could open.
For now, the Mavericks star has established the central point: He and his cousin are entering the card business together.
Considering Flaggâs place at the center of the NBAâs newest collecting cycle, Hart was right not to let him brush past the announcement.
Like HEAVY’s content? Be sure to follow us.
This article was originally published on HEAVY
The post Cooper Flagg Announces Major Business News With Kevin Hart appeared first on HEAVY.