Today's front page headlines from Marca, AS & Mundo Deportivo…

Today, we cannot speak about sport

Pain

Zidane, a title every 13 matches

Athletic comeback in Athens

Best XI in La Liga

Start of La Liga

Horror

Terrorism hits Barcelona in Las Ramblas, 13 deaths and over 100 injured, ISIS claims attack

Paulinho: I am prepared

Barca get moving on Yerry Mina's arrival

Luis Suarez, a month out

Messi: We won't give up, we want to live in a world in peace