SANTA CLARA, Calif. - After making it through training camp and the preseason with no apparent health issues and not even appearing on Wednesday's injury report, running back Christian McCaffrey was added to the list on Thursday evening.

According to the Niners , McCaffrey is dealing with a calf issue and was a limited participant in Thursday's practice. McCaffrey was on the field and doing his usual warmup and individual drills during the roughly 20 minutes open to the media at the start of the practice.

But McCaffrey was not in the locker room after it was over and did not do his usual Thursday media session. The addition of McCaffrey to the injury report with a calf issue is particularly notable given what happened leading up to Week 1 of last season.

McCaffrey missed most of 202

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