Arsenal are watching Gremio prospect Gabriel Mec.
Globo Esport says the Gunners and PSG are following the 15 year-old's progress.
Mec still only a member of the club's under-17 side but is expected to move up to their under-20s soon.
Arsenal chief Edu has been busy in the Brazilian transfer market over the last two years.
He has expressed interest in Gremio midfieder Bitello, though he is now expected to move to Zenit St Petersburg in the New Year.