Against the backdrop of widespread reports suggesting there’s a huge element of dressing room discontent, the German faces a fight to prove he can change United for the better.
That may not be a fair reflection on his actual coaching ability but, frankly, it’s a mess the club have created themselves and one that needs sorting out as soon as humanly possible.
Two giants of the English game going head-to-head with added factor of a Liverpool icon returning to the Theatre of Dreams, it should be an entertaining watch.
Where to watch Manchester United vs Aston Villa
TV channel: The game will be broadcast on BBC One.
Live stream: Supporters will be able to watch the game either through the BBC iPlayer or the BBC Sport website.