Tuesday's lineup: Cubs at Astros

The Cubs go for their fourth win in a row on Tuesday night against Brett Myers (3-12, 4.71) and the Houston Astros. Here is the lineup behind Cubs starter Ryan Dempster (10-8, 4.70):

1. Starlin Castro, SS

2. Darwin Barney, 2B

3. Aramis Ramirez, 3B

4. Carlos Pena, 1B

5. Marlon Byrd, CF

6. Alfonso Soriano, LF

7. Tyler Colvin, RF

8. Koyie Hill, C

9. Dempster, P