Barcelona’s clever use of offside traps has been one of the standout features of their strategy this season, and this was especially evident during the recent El Clasico against Real Madrid. In

It was a debut El Clasico to forget for Kylian Mbappe after Real Madrid were beaten 4-0 by Barcelona, as one pundit claimed he was 'playing against himself'

Ancelotti must prove that these are teething problems and not an indication that Mbappe's presence has made the team unbalanced like Paris Saint-Germain so often did.