Jeff Karstens suffers setback

Jeff Karstens suffers setback
May 24, 2013, 8:55 pm
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Pirates starter Jeff Karstens felt pain in his right shoulder during his throwing program today. As a result, the Pirates have shut him down, per the Pittsburgh Tribune-Review’s Travis Sawchik. Karstens has not thrown a pitch this season due to the shoulder injury, but was expected to return in early June. Karstens finished 2012 with…