Wednesday's front page headlines from Marca, Diario AS & El Mundo Deportivo, in English…

So it starts!

Barca and Atleti make strong Champions League starts

Messi with a hat-trick, Costa and Gimenez score in Monaco

The champion returns to the scene

Cristiano threat in Mestalla

"The ignorance is very daring"

Ramos critical of Griezmann's comparison to Messi and Ronaldo

The champions start their Champions League defence against Roma

Atleti fix a bad start

Recital of Messi with a hat-trick, Umtiti dismissed, Firmino pounces on Mbappe error, 

Messi, Messi, Messi (and Dembele)

A super hat-trick from Leo and goal from 'the Mosquito' beat PSV

Costa and Gimenez score in Atleti comeback win

Mestalla returns to Europe with a test of fire