Giants outfielder Nate Schierholtz was examined by a specialist Monday and is scheduled to undergo an MRI exam to determine the cause of spasms in his lower back.
Schierholtz already has missed time because of a sore hamstring that probably is related to the back issue. He said he had never experienced any problems with his back until now.
It has been a rough spring for Schierholtz, who had an emergency root canal a week ago. The problem stemmed from a chipped tooth he sustained in that famous collision with Chinese catcher Yang Yang while playing for the Bronze-medal-winning U.S. Olympic team in Beijing last summer.
The price of Freedom Stains is eternal vigilance, or at least a bit of novocaine.
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