Cardinals vs. Houston, 7:05 p.m., Minute Maid Park

CHRIS CARPENTER

RH • (14-4, 2.93)

Carpenter's third start against Houston this season will be his first at Minute Maid Park. The righty is 3-2 with a 2.90 ERA at Houston. With 190 1/3 innings this season — fourth-most in the league — he'll probably eclipse 200 in his next start.

WANDY RODRIGUEZ

LH • (10-12, 3.87)

The lefty has regained his footing and been one of the league's best pitchers since late June. In his previous 12 starts, Rodriguez is 7-2 with a 1.79 ERA. He has 11 losses to the Cards, though he has a 2.62 ERA in his last seven home starts against them.

Derrick Goold