Anyone else concerned that the starting pitching rotation against the Cubs is going to work out badly for the Gisnts?

Jake Peavy on Friday May 20... Matt Cain on Saturday May 21... and MadBum on Sunday night May 22 doesn't exactly inspire confidence (except for Bumgarner). The Cubs have the best record in the majors, and have scored more runs than any team except the Boston Red Sox. Couple that with the fact that the Giants haven't been scoring many runs lately... makes me a bit leery of this series.