Analysis: Who are the best options to replace Carlo Ancelotti if he leaves Real Madrid?

Carlo Ancelotti's future at Real Madrid is up for debate. Sunday's defeat in El Clasico left Los Blancos 12 points behind Barcelona in the La Liga title race, which is surely an insurmountable deficit, even for Real top of that, Real Madrid are on the brink of being knocked out of the Copa del Rey, after losing 1-0 in the first leg of their semi-final