A large group of U21 players were involved in training with the Arsenal first-team squad today, including Northern Ireland international Ceadach O’Neill.
Andre Harriman-Annous, Marcell Washington, Archie Stevens and Elijah Upson were amongst those called upon for the session.
The majority of those players could feature for the U21s against Sunderland tomorrow, while the first-team are at home to Leeds.