If Crystal Palace scores the first goal, then of course we will see Manchester United have to try hard to damage Palace's defense.
But maybe not, United will do their best and avoid mistakes to avoid conceding an early goal against Crystal Palace. United's defense is stronger at the moment so I don't think they will concede first goal.
Even if they manage to score first, it will not be a big advantage for them, because Manchester United are very good now. Of the main players, only Martial is missing, but he is very often injured, so it is not necessary to consider him the main one. I expect Manchester United to win today, they understand how important it is for them, but I do not rule out that they will want to save their energy for the match with Arsenal, let's see how it turns out for them.
At least because in the next match Manchester United will play against Arsenal, today's match is a chance that Manchester United will certainly maximize to win. Because playing against Arsenal still can't guarantee Manchester United will get three points, so today's match against Crystal Palace, Manchester United will try to at least win and it doesn't matter if Manchester United only win narrowly.
Because to be stronger to compete in the top four, it is clear that point by point is the result that must be obtained in every match, at least if Manchester United can beat Crystal Palace in this match, then Manchester United has enough capital to continue to be able to compete in the top four.