The 18-year-old was starting to impress during the club’s pre-season tour of the United States but is now expected to miss the opening period of the season.
Erik ten Hag was already light on options prior to the friendly meeting with Borussia Dortmund in Las Vegas.
CLICK HERE TO FOLLOW MANCHESTER UNITED VS DORTMUND LIVE!
The Dutchman confirmed Jonny Evans was kept on due to a lack of available bodies, with Fred not involved and Anthony Elanga having joined Nottingham Forest.
Anthony Martial is a doubt for the game too, limiting the United boss somewhat.
Both Andre Onana and Mason Mount are expected to start in Vegas as United look to finish their tour off on a high.
Confirmed team news
Manchester United: Heaton, Dalot, Maguire, Lindelof, Williams, McTominay, Eriksen, Van de Beek, Pellistri, Forson, Sancho
Borussia Dortmund XI: Kobel, Ryerson, Sule, Hummels, Wolf, Can, Sabitzer, Brandt, Malen, Adeyemi, Haller
Injured: Mainoo (ankle)
Doubt: Martial
Time and date: 2am BST on Monday July 31, 2023
Venue: Allegiant Stadium, Las Vegas
