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

Serious for La Liga

Authorative win at Osasuna

Barcelona maintain the pulse

You win La Liga like this

Isco, Ramos, Lucas Vazquez and Isco score in Madrid comeback at Osasuna, Bale started but ineffectual

Barca with the match ball - Betis started brightly but ran out of gas

Isak was the doctor in the Basque derby

Showing character

Barca comeback to win away from home and keep the pace of Madrid, Messi with a hat-trick of assist with refereeing controversy

The leader doesn't fall - VAR and referee Gil Manzano do not send off Sergio Ramos

Resurgent - Raul de Tomas goal sees Espanyol beat Real Mallorca