Image: Arsenal
Arsenal academy goalkeeper Jack Porter trained with the first-team squad today.
Porter, who made his senior debut against Bolton Wanderers in the Carabao Cup two years ago, impressed for Arsenal U19s against Lille with several excellent saves during a 3-2 defeat in midweek.
Centre-back Elijah Upson was also called upon for the session.
Arsenal face Nottingham Forest away in the Premier League tomorrow.