Cristiano Ronaldo started games on the left flank .
Cristiano Ronaldo was never going to stay there for 90 minutes and Di Maria had to know that he could sprint into that unoccupied space down the left when Ronaldo was in a more central position .
Cristiano Ronaldo started games on the left flank but was never going to stay there for 90 minutes and Di Maria had to know that he could sprint into that unoccupied space down the left when Ronaldo was in a more central position .