The 25-year-old, who signed from FC Porto this summer, managed only 20 minutes of Wednesday´s game against Guangzhou Pharmaceutical as Luiz Felipe Scolari´s side began their pre-season tour with a comfortable 4-0 win.
Chelsea initially insisted the Portugal full-back was withdrawn as a precautionary measure after complaining of a minor thigh problem, but it was later revealed he would undergo a scan to determine the extent of the injury.
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