Today's front-page headlines from Marca, AS and Mundo Deportivo.

Copa final

Madrid and Celta will both attack at Balaidos, Zidane prepares an unprecedented back 4, Madrid haven't come back from an away knockout leg deficit since 1970

Alaves qualify for the semi finals

Simeone has a big margin (from the 1st leg) and is without libertie

'We want the semis, play for a comeback' 

Sergio Ramos promises fans an emotional night

Varane hasn't travelled, youth product Achraf is in the squad, Berizzo: 'Madrid are favourite in all their games'

Celta Vigo fans went to training

'Expelling violence and xenophobia from football'

Simeone to rest Griezmann - Eibar have seven absentees

Alaves to play in semi finals

Already negotiating

Barca have launched concrete proposals for a new Messi deal

Bartomeu (Barca president) and Messi's dad in constant dialogue surrounding the new contract

'I want to renew and continue with Luis Enrique' - Rakitic

Madrid, on the edge of CDR elimination and with 6 injuries