Before Cooper Flagg is likely taken as the NBA draft’s No. 1 overall pick, his apparel sponsor has created a holiday.

And on Monday, Flagg took to social media to announce that June 25, the date of the 2025 NBA Draft, will be called "Flagg Day." New Balance made the original announcement, which the 6-foot-9 forward later reposted.

Everyone thinks they know what Cooper Flagg could be in the NBA. This one comparison is NOT what the Mavericks are hoping for.

In the lead-up to the draft, Flagg’s longtime trainer Matt MacKenzie RG.org reporter Mark Medina about how he’s preparing Flagg for the NBA, along with a story about his athlete’s unique competitive nature.

Mavericks' Cooper Flagg 'Mistake' Turns Heads on Friday originally appeared on Athlon Sports.

The next face of the Mavericks shined at Duke but started in Maine. Here's the story you don't know, dating all the way back to when he was 14 years old.

Cooper Flagg is set to be the first overall pick by the Dallas Mavericks. However, with GM Nico Harrison, Flagg could be let go of after just a few seasons.

Denver Nuggets point guard Russell Westbrook was recently predicted to join Cooper Flagg after opting out of his contract.