Luis Suárez celebrates scoring against Atlético last week. Photo via elperiodico.com

Tune in at 3:45 PM if you want to see Europe’s most hotly anticipated match.

With Barcelona clinging on to a 2-1 aggregate lead courtesy of Luis Suárez’s goals, this one is firmly in the balance. And no one would like to spoil Leo Messi’s party more than compatriot Diego Simeone, Atlético’s boss, former Racing Club midfielder and Argentina centurion.

There have actually been rumors concerning Messi’s fitness going into this one, with reports that he’s suffering from gastroenteritis, and more concrete worries over his form, having gone on his longest goal drought for two years.

Either way, Simeone, alongside his Argentine contingent, containing Augusto Fernández, Matías Kranevitter, Ángel Correa and Luciano Vietto, will be looking to take full advantage.

Barcelona, on the other hand rarely looks vulnerable, but this is a fixture which has certainly proved tricky in the past and the Catalans have hardly been up to scratch of late. Former Argentina captain Javier Mascherano says the tie is in his side’s hands, though.

“We have an advantage against Atlético, but we are still going after the win. We don’t do speculating. Having advantage only gives us more confidence to go out and play our game and reach the semifinals,” the defender told press.

We can only wait and see.

Elsewhere, striker Sergio Agüero missed a penalty but it didn’t matter as Manchester City still managed to beat Angel Dí Maria’s Paris Saint Germain to advance to its first Champions League semi-final ever. Cristiano Ronaldo scored a hat-trick as Real Madrid beat Wolfsburg, and Bayern Munich faces Benfica tonight in Portugal in the other quarter final.

Atlético predicted line up:

Oblak

Juanfran – Godín – Lucas – Filipe Luís

Augusto

Saúl – Koke – Gabi – Carrasco

Griezmann

Barcelona predicted line up:

Ter Stegen

Alves – Piqué – Mascherano – Alba

Rakitic – Busquets – Iniesta

Messi – Suárez – Neymar