Atletico Madrid will host Barcelona at the Riyadh Air Metropolitano on Tuesday, aiming to secure their place in the Champions League semi-finals after a 2-0 victory in the first leg. The return of goalkeeper Jan Oblak and midfielder Johnny Cardoso is a significant boost for Atletico, although they will still miss key players like Marc Pubill (suspended) and David Hancko (injured). Manager Diego Simeone faces a selection dilemma, particularly regarding whether to reinstate Oblak, who may not be at full fitness. Meanwhile, Juan Musso has filled in admirably during Oblak's absence. The defense will see a pairing of Clement Lenglet and Robin Le Normand, which has not been frequently used this season. Atletico hopes to withstand Barcelona's anticipated fightback and advance to the next round of the tournament.