"You have to adore only God. It's expressions that people use. This is a god with the ball on the pitch.
"It's a popular way that people have of expressing themselves. Of course it is a joy (to watch Messi). But he is not God."
The head of the Catholic Church is a big football fan, supports a team in Buenos Aires and has a stash of jerseys thrown to him at events. The Pope and Messi met in 2013.