Cooper Flagg from the Mavericks acknowledges his relationship with Duke center Arianna Roberson.
Cooper Flagg Confirms Relationship with Arianna Roberson Cooper Flagg, the standout player for the Dallas Mavericks, wrapped up his season recently, but he’s still making headlines. On Thursday, he took to Instagram to publicly confirm his relationship with Arianna Roberson, a center for the Duke University women’s basketball team. The post featured a cute photo […]