Arsenal youngster Lino Sousa trained with the first team on Wednesday as manager Mikel Arteta runs the rule over the defender.
The 17-year-old joined the Gunners from West Brom in January and has already made two appearances for Arsenal's Under-18's side.
Sousa, who is of Brazilian heritage, played two years above his age group for West Brom Under-18's last season and has been earmarked as a potential star of the future by those within London Colney.