The Houston Astros should trade for Scott Kazmir because the Astros could use a second left-handed pitcher in the starting rotation. The Astros starting rotation has done relatively well recently, despite a lack of a reliable answer for the fifth spot in the rotation. Dan Straily is now in that slot but didn’t have a great first start against the Red Sox on Friday.
According to Astros.com article by Brian McTaggart, Crane: Astros trying to trade for a starter, the Astros are indeed trying to make the starting staff a little deeper.