The Germany full-back, 22, picked up the problem in training ahead of Tuesday's friendly against Australia and could now miss the rest of the season.
With Micah Richards nursing a hamstring problem sustained last week on England Under 21 duty, City boss Mancini will be looking for an alternative option at right-back in time for Sunday's Barclays Premier League clash at Eastlands against Sunderland.
injury blow: Jerome Boateng requires surgery after picking up a knee injury on international duty with Germany
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Source: Daily Mail
Source: Daily Mail