Who : Barcelona vs Real Madrid

What : La Liga, El Clasico

Where : Camp Nou in Barcelona, Spain

When : Sunday at 9pm (20:00 GMT)

How to follow : Al Jazeera Sport will bring you all the build-up and live updates from 17:00 GMT.

For weeks La Liga leaders Barcelona have been eagerly awaiting Sunday’s El Clasico as a chance to stretch the gap between themselves and rivals Real Madrid to a massive nine points.

Some turbulence in the final approach to the clash at Camp Nou has complicated the picture for Hansi Flick’s Spanish champions, who suffered their first defeat of the season at Paris Saint-Germain in the Champions League on Tuesday.

By contrast, Real Madrid have won four consecutive matches, thrashing RB Leipzig on Wednesday and starting to look, for the first time since Jose Mourinho’s arrival this summer, like a team.

Should Real come away with a win, it would not only halve the current six-point gap, but ⁠provide a much-needed confidence boost for a side that has lost six of the last seven…