The 20-year-old was introduced in the 86th minute as 10-man Wales secured a scoreline that ensured they progress in second place in Group A, and on to Amsterdam for a round-of-16 fixture on Saturday.
It was a memorable moment for somebody who has risen through the ranks at United but the organisation and innovation involved in sealing a spell in senior football earlier this year, with the bold overseas move, was vital to it being able to happen.
United's Academy Player performance manager Les Parry told us: “We were unable to find him a suitable club in England and, after the transfer window closed, we knew if he was just playing Under-23s football, he wouldn’t get in the Euros squad.