Lino Sousa has been added to senior Arsenal training this week.
Jeorge Bird's Arsenal website reports recent signing Sousa has been training with the first team squad since Monday.
The 17-year-old joined from West Bromwich Albion in January and has made three appearances for Arsenal at U18 level.
Although he is also capable of playing at left-back, Sousa has been used in a more advanced position on the left flank by Arsenal so far.
Jonathan Dinzeyi, Zach Awe and Mauro Bandeira were also involved in the session, with the players who started for the U23s last night not available to be called upon.