United are at risk of going winless in four straight European matches at home for the first time in their history when they host Young Boys in the Champions League on Tuesday, but the Red Devils boss denied his players would rather play away from their own ground.
"I want the team to start strong, I want the team to have a go immediately and it is a bit frustrating", he said. It is exactly the opposite.
Mourinho's comments about his players have come back under scrutiny ahead of Tuesday's Champions League tie against Young Boys after he questioned their "heart" following the goalless draw with Crystal Palace on Saturday.
In its latest UCL match, Manchester United defeated Juventus 2-1 thanks to two late goals, and it can seal a place in the knockout stage with a win coupled with a Juventus win over Valencia. The team that I will play tomorrow, I want to put out a team where they can cope well with that happiness with a decisive game.
He warned then that a repeat display against Youngs Boys would leave United needing to go Spain and beat Valencia in their final Group H game if they were to remain involved in the competition. "Let's play this game like a game we have to win".
United will be without Victor Lindelof for several weeks after he suffered a suspected thigh injury against Palace, with Mourinho hopeful of having the Sweden centre-half back for the hectic Christmas period.
'The play in general was really poor'.
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But United's slow starts have continued to hamper them this season as they are well off the pace in the PL.
Matteo Darmian, who started against Palace, was also missing from Monday's training, along with Marcos Rojo. We are not coming from the city center. "We will still just depend on ourselves".
"What he said the other day, that was more a generational thing", said Shaw.
As for suggestions United were better off playing away from Old Trafford at the moment, Mourinho said: "If you feel pressure to play matches at home where the people come to support. come on. But if it isn't better, I walk!"
"If you feel pressure stay at home - and when I say home, I don't say stadium home, I say home home and watch on TV".
When asked if the criticism from Mourinho has helped him, Shaw said: "Yes, of course".