Mourinho's team never fails in European away matches

One of the keys to pass the knockout round of the Champions League is to score at Old Trafford. After the 1-1 from the first leg, Real Madrid must score at least one goal to beat Mnchester United, which, moreover, it is not unreasonable considering the numbers of the Mourinho's Real Madrid in Europe. Two and a half seasons later, the white team does not know what it is not scoring in an away