Oswalt receives injection for back
HOUSTON -- Houston Astros ace Roy Oswalt has received an injection to treat an irritated disk in his lower back and could have his next start pushed back.
Oswalt left Tuesday night's game against the Chicago Cubs in the second inning with lower back discomfort. He returned to Houston on Wednesday, where he was examined and given the injection by back specialist Dr. Michael McCann.
Officials hope he responds well to the injection and can make his scheduled start Sunday, but caution ...
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