The Red Devils ended a run of eight winless games with a 2-1 victory over Alan Curtis’s men, Anthony Martial and Wayne Rooney both getting on the scoresheet for United at Old Trafford.
When asked to explain his side’s display, Van Gaal revealed that his players simply needed to take out their frustrations on the pitch, and also admitted his shock at the run of form that saw many fans call for his sacking.
“It’s because they were very angry that we have lost so many games in a row,” he told reporters.
“They’re not used to that and I’m not used to that — losing four matches in a row. Never, and I’ve been in this profession for 25 years.
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“So it’s unusual and they’re angry and want to change the situation. We shall do our utmost best, fight to the end — and they have done that.
“I think now the pressure is lowering, the performance shall be better every week. But that it is also dependable on whether or not we score goals, because we are always creating chances.”
Van Gaal also hailed captain Rooney, who netted the winner with an impudent flick after an intelligent Martial cut back, and hopes that he can now go on a run of scoring form after becoming the second-highest scorer in Premier League history.
“I liked him also against Chelsea. That’s why I said after this game that he has played two fantastic games in a row,” said Van Gaal.
“He does everything we expect from him as a captain, but also as a player and in what position he plays.
“I hope that it can give a boost to him, because the goal was fantastic. There was not so much space and still he ran to the first post and did it this way, so it was fantastic and I am very happy for him.
“I hope it shall give him the boost he needs to continue his good form.”