BD wasn't paying attention I guess. I wanted Bastista, too, until I read this:

NEWS: July 8
SKINNY: Batista's next start for the Diamondbacks could be slipped from Wednesday night against the Padres to Friday night against the Giants, according to notes on the team web site.

And yup, it's true...

"Starting for the Diamondbacks is rookie Chris Capuano (0-2, 10.13 ERA), who is making his second major league start and fourth appearance."

Hey, ya never know... rookies often pull out a good game... And SD's Peavy isn't that great against the D-Backs...