A nun in Spain has claimed that Real Madrid star Cristiano Ronaldo has no "harmony" in him, but Barcelona forward Lionel Messi is a "reflection of God's perfection".

Sister Lucia Caram, who was born in Argentina and supports Barca, has questioned the virtue of Ronaldo, who beat rival Messi to the Ballon d'Or trophy last month.

"Is Messi an angel and Ronaldo the devil?" Sister Lucia told Sport. "Well Messi has the virtue of being a great player but he is also a good person. He is humble.

"Cristiano plays football very well, but he has a very cocky and unfriendly attitude. He's not my greatest enemy, I think he plays very good football, but there is not harmony in him."

Ronaldo has been named the world's greatest footballer three times in his career, while Messi has been given the honour on four occasions.