Juventus defender, Giorgio Chiellini  has given an interesting take on how to marrk Real Madrid’s Cristiano Ronaldo and Barcelona’s Leo Messi. The Italian centre-back who has played with the two footballing greats  told Eurosport Italia in a recent interview, “Knowing your opponent is fundamental. Because then you can know their characteristics better. With Cristiano Ronaldo, you mark him trying to not let him inside on the right. With Messi… you cross yourself and pray!”