Kylian Mbappe scored the opener as Paris Saint-Germain took a big step towards reaching the Champions League quarter-finals with a 2-0 win over Real Sociedad in the first leg of their Last 16 tie on Wednesday. 

The mediocrity of PSG’s first-half performance at the Parc des Princes may have had their supporters fearing another in a long line of disappointing results down the years in the Champions League knockout stages.