3) Louis van Gaal values attack over defence.
The Dutch manager has brought in several attacking signings already, giving him a plethora of choice going forwards.
In order to fit the likes of Radamel Falcao, Robin van Persie, Wayne Rooney, and Angel di Maria into the team, van Gaal has to not only sacrifice something in defence, but also concede something in midfield.
Leicester looked incredibly dangerous on the counter attack, with United leaving themselves exposed on a number of occasions.