Wood hurt his right shoulder pitching in relief yesterday, and was experiencing more stiffness than usual today, a week before the Cubs open in Cininnati. Wood is to undergo an evaluation from the Cubs' medical staff.
He was ineffective in yesterday's outing, giving up a two-run home run as he allowed three runs and three hits in one inning.
Piniella says Wood was upset yesterday by the turn of events. But today, he has calmed down and is hoping for the best.
In his previous outing Friday, Wood pitched a scoreless inning of relief -- his first appearance in 12 days after being sidelined by a triceps injury. Earlier this spring, he slipped getting out of a hot tub.
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