Per tradition, the projected upper-tier of draft picks, among them prospective Mavericks’ No. 1 pick Cooper Flagg, will be in the building at Barclays Center in Brooklyn. Thirteen players in total have reportedly been invited to the NBA draft green room.

Thirteen players received formal invitations on Tuesday to attend the draft and sit in the green room later this month at the Barclays Center in Brooklyn, according to ESPN’s Jonathan Givony. Among that group, obviously, is former Duke star and presumed No. 1 overall pick Copper Flagg.