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

Where is the limit of humanity?

Cristiano scores for Juventus

Vinicius knocks the door with more strength

"I'm already seen in the same light as Messi and Cristiano"

"I have the Ballon d'Or in my head", "If I wanted more money, I'd go to China"

Cristiano finally scores for Juventus - two in victory over Sassuolo

Champions League Coutinho

Has already won every domestic honour with the Blaugrana

Ronald De Boer analyses PSV

Cristiano opens Juve account with a double