The Spain international has seen the team and individuals face some real flak in the wake of three defeats in eight days but the win at Northampton Town in the EFL Cup has at least quietened some of the negative noise surrounding the club.
When asked by MUTV if he was surprised by the intensity of the criticism, Mata replied: "No, because I feel there are always a lot of people talking about Manchester United, obviously one of the biggest clubs in the world.
"There is a lot of repercussion when we do well and not do that well. Obviously, there were a lot of people waiting for Manchester United defeats and we got it and have to face it and deal with it. Me, as a professional footballer, and all my team-mates, we don't focus on that.
"We don't focus too much on what people say or journalists write and all those things. If you start thinking about every single comment, you'd go crazy and can't play football. You have to focus on what you have to do on the pitch, train well, get ready for the game and then deliver your best level."