Manchester United has enough players in the team but those players are currently performing very poorly. If a new coach joins the team and implements new strategies and tactics, hopefully the team will return to its previous performance.
I would say there are certain areas where they need strong options but right now they are very balanced team right now. There are some matches where they kinda break in between but apart from that they are really performing well. About the coach, I think ten Haag has done an impressive job to get United on track in one season which many coaches have failed to have done that in the past after Sir Alex Ferguson. I would add that give ten Haag a time and he really will make United achieve some great things in future. I am sure their fans are feeling that too about ten Haag.