Defender Thiago Silva has admitted that Paris Saint-Germain need to be wary of Real Madrid's Cristiano Ronaldo ahead of their UEFA Champions League clash on Wednesday.
The Brazilian knows it will be tough to keep Ronaldo quiet in the fixture, believing the Portuguese forward possesses strength in every department.
"It's difficult to mark Ronaldo," he said, according to FourFourTwo.
"I think he has a lot of qualities. He has all the abilities a striker can possess.
"He's very good with the head, the right foot, the left foot. His strike is the same whatever the feet.
"We need to be focused in order to mark that guy.
"We'll try to work this afternoon in order to find the best way to mark Cristiano, which is not an easy task."
Both PSG and Los Blancos won their opening two matches in this competition, meaning another three points for either side could put them in poll position to qualify for the next round.
Ronaldo has scored 11 goals in 10 games this season, including five strikes in the Champions League.
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