Today's front-page headlines from Marca, AS and Mundo Deportivo…
The law of the strongest
Madrid demolish their last Champions League tormentor
A great result which means they can travel to Dortmund comfortably
Pepe was enormous
More magic from Isco, Bale and a fine display from Casillas
Cristiano was as always
Everyone put in the yards
Florentino closes in on his seventh semi-final in the UCL
FIFA ban Barca from the transfer market
They are banned from buying and selling players for the next year due to irregularities in the signing of ten minors
Barca will appeal the decision
Ter Stegen's arrival now in doubt
Halilovic also has to wait now
Diego Costa wants to be play against Barca
"I am doing everything", he assures
A new Spanish assault in Europe
Porto v Sevilla and Basel v Valencia
Semi-final spot in view
Bale, Isco and Cristiano scores equalling Di Stefano's record of 49
The Portuguese left the field injured and is a doubt against Real Sociedad
A great game from PSG, who lose Ibrahimovic and Verratti to injury
Costa may not play the return leg
Arda will rest against Villarreal
FIFA sanction Barca for illegal transfers of minors
They will not be able to sign a player until June 2015
A missile is thrown at Barca
FIFA prohibits the club from signing new players until June 2015
The world football authority imposes an exaggerated sanction on the club for signing players of 16 to 18 years
Barca respond defending their model and will fight the decision
Costa does not want to miss the return leg
Madrid have the semi-finals in their pockets
