United ended their preparations for the new season in uninspiring fashion, struggling to threaten Manuel Neuer’s goal. The Red Devils ended their pre-season campaign with a 1-0 defeat at German champions Bayern Munich on Sunday.
Javi Martinez headed home a second-half winner to give Bayern victory in a match they dominated.
United have so far signed three players this summer – Brazil midfielder Fred for £47m, Portuguese defender Diogo Dalot and third-choice goalkeeper Lee Grant.
They open the Premier League season against Leicester City at Old Trafford on Friday.