Petit was injured when he was hit by a pitch while striking out in the eighth inning Tuesday. Petit stayed in the game in the bottom of the eighth but was replaced by Alex Rodriguez in the ninth. X-rays were negative but Petit was still sore Wednesday.
Pirela sustained a concussion when he collided with the outfield wall during a March 22 spring training game against the New York Mets. He hit .364 with one homer and four RBIs in eight injury rehabilitation games at three minor league levels.