Northern Ireland took an early lead through Daniel Ballard but were beaten 5-1 by the Euro 2024 hopefuls.
The transfer window opens on Friday and Manchester United have a busy summer ahead of them as Ineos look to reshape the squad.
Brighton and Hove Albion are closing in on the appointment of Fabian Hürzeler as their new head coach after securing a work permit for the 31-year-old.