West Ham had only won one of their previous 19 Premier League matches against United but an early strike from Felipe Anderson and a Victor Lindelof own goal shortly before half-time left the disjointed visitors with a mountain to climb.
The midfielder is prepared to declare he is unwilling to play for Mourinho any longer, if need be. United clearly don't particularly want to sack their manager, for a lack of other options if nothing else, but how bad do things have to get before they are left with no choice?
Pogba was withdrawn with 20 minutes remaining, and United two goals down, and made minimal eye contract with Mourinho as he made his way to the bench. United conceded three goals for the third time this season - having not done so at all last term - while the loss of three league games in seven and a total of 10 points is the same as David Moyes managed at the start of his ill-fated reign in 2013-14.
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Anthony Martial took his place in the starting XI against West Ham and, although far from ideal, felt like an upgrade on the beleaguered former Arsenal man.
"Conversations with players I have many, many, many times".
"I don't think [Luke] Shaw is a Man United player".
The team were lethargic, just as they had been at Brighton. Those results helped steer the club clear of the relegation zone and Manuel Pellegrini will be hoping his men can continue their climb on Saturday with a win over an under-performing United side. At this pace, he likely doesn't make it past Halloween as manager of United. And tomorrow he plays.
Anthony Martial's relationship with Mourinho hit an all-time low during the summer, when Pogba's fellow France worldwide was fined for reputedly leaving the club's pre-season American tour without permission to attend the birth of his baby son, something the player is understood to dispute.