Manchester United are still awaiting ratification from the Premier League and Football Association to complete the signing of Arsenal youngster Chido Obi-Martin.
Obi-Martin, 16, confirmed at the end of July that he was leaving the Gunners having agreed terms with Man United.
The forward reportedly turned down more money from abroad to sign for Man United because he was convinced by the ongoing project at Old Trafford.
Recruitment of top-level academy players has been a primary focus this summer at Man United under their new football leadership team following Sir Jim Ratcliffe's £1.