CHICAGO (AP) -- CHICAGO (AP) -- Houston ace Roy Oswalt (OHZ'-wahlt) will rejoin the Astros in St. Louis tomorrow and will be evaluated to see if he can make his scheduled start Sunday.
Oswalt left Tuesday's game against the Chicago Cubs in the second inning after experiencing discomfort in his back. He returned to Houston and was given an injection yesterday to treat an irritated disk. He'll be evaluated over the next couple of days to determine if he can pitch Sunday.
Houston will also monitor first baseman Lance Berkman tomorrow. Berkman was placed on the disabled list July 23 with a strained left calf.
(Copyright ©2009 by The Associated Press. All Rights Reserved.)
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