Sport says Andre Cury and Marquinhos Malaquias are in the city and could be joined by the player's father as negotiations with Barca are ramped up.
The news has made it's way to Brazil, where Neymar refused to deny the developments yesterday.
"Who is not a fan of Barca? I'm happy. Whether I sign for them, who knows? But I'm happy that a club I like is interested in me," he declared.