Manchester United fans endured yet another dismal afternoon as they watched their side lose 2-1 against Premier League strugglers Sunderland at the Stadium of Light.
Today's defeat has left Louis van Gaal's side with it all to do as they go in search of a place in the top four - United currently six points behind Manchester City, having played a game more - so it's not entirely surprising that the manager's long-term future at the club is in serious doubt.
The man tipped to replace the Dutchman is former Chelsea boss Jose Mourinho. The Portuguese tactician may well have endured a torrid opening half of the season, but he is still one of the most respected managers in world football.
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There's no doubt about it, if Mourinho arrives, he will change the dynamic of the underperforming club.
Mediocre performances surely won't be tolerated and players will be axed. But which players aren't good enough for Mourinho's Manchester United?
Here are five players who should be worried about their futures:
You have to feel sorry for Mata. Mourinho forced him out of Chelsea and there's surely no way that the Special One would have changed his mind on the Spaniard.
Mata just doesn't suit Mourinho's style. He never has done and probably never will do. His performances at Old Trafford haven't exactly been spectacular recently, so he may well have to move on once again.
If Mourinho's not Mata's biggest admirer, then is he really going to be a fan of Memphis Depay? The Dutchman arrived at Old Trafford from PSV in the summer, but he has failed to take off in Manchester.
Failing to express himself as an attacking force, Depay has also looked defensively poor. Mourinho's teams are built on work ethic and it's unlikely that the youngster will meet the adequate requirement. He will have to change his ways very quickly.
Matteo Darmian enjoyed a prominent role in the Manchester United side at the start of the season, but he has failed to produce the goods in recent months.
The Italian appears to be out of his depth - he's certainly not good enough to be playing for a team hoping to win the Premier League title. It would be ruthless to move him on at this stage, but United can do better.
Marouane Fellaini's performances have picked up recently - United probably missed him against Sunderland this afternoon - but he's still not good enough for the Red Devils. And the towering Belgium international surely won't be good enough for Mourinho.
The Special One has worked with some brilliant midfielders throughout his career, so it's unlikely that he would hand Fellaini a key role at the Theatre of Dreams.
In all fairness, Daley Blind deserves a great deal of credit for the way he has adapted to his new role in Manchester. When Van Gaal handed him a place at centre-back, pundits and fans alike were concerned that he wouldn't be good enough to star alongside Chris Smalling.
But is he really going to be good enough for Mourinho? Probably not. Blind may well be steady, but Mourinho's defenders are usually rock solid and tough tackling. There's a very good chance that Blind won't remain in the United side under the ex-Chelsea man.
Manchester United fans: do you agree? Are these five players not good enough for Mourinho? Have your say below!