In that game, if Man UTD didn't take all three points from the game is because of the last minute save Raya made to keep Bruno Fernandes shot from giving the hosts the win. I won't say the Red Devils were lucky, if anything, they matched Arsenal's aggression equally. They gave as good as they got and even when Arsenal should have buried some of their chances, the no.1 between the sticks, Onana was always there to make Arteta's men more frustrated.
Arsenal are just what you'd call a team competing in the EPL and not aiming for anything else because if they were, they would not have allowed Liverpool to have that much point gaps over them.
My head was getting headache when i was seeing Raya did so many great saves. I talked to myself like what the fuck was Raya doing?

I was hoping him to play poorly, and never expected how he acted as a miracle to his club in that game. The good thing is that his club gets draw, and lost opportunity for the title race.
I think Raya tried to make an amendment to the first goal he conceded via a free kick scored by Bruno Fernandes, towards the end of first half, I believe his positioning was very poor though Arsenal players who formed their wall could have done better, thereafter Raya proved himself in the match as a very good goalkeeper honestly he singlehandedly save Arsenal else Man Utd would have secure a win despite less dominance and less ball possessions, however I think kudos to Man Utd for defending as well as taking all the pressure yey remain solid and utilized their counterattack perfectly.