Barca @ Atletico
The first leg was at Camp Nou, with Barcelona taking a slender one goal lead into the deciding second leg at Vicente Calderón.
Atletico Madrid are without Fernando Torres who was controversially sent off in the first leg.
Barcelona are likely to be without Jeremy Mathieu and Thomas Vermaelen.
Barcelona have won their last 7 matches against Atletico in all competitions.
But the last time these two sides met in this competition was 2014 and that saw Atletico advance 2-1 on aggregate.
A 1-0 victory for the home side would once again be enough to eliminate Barca.
In La Liga, Barcelona are unbeaten in 12 against Atletico, with 10 wins and 2 draws.
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