They are useful, but they aren't cheap. So if you have a limited budget and needs elshwere it's just not feasible. True. However, considering I think Wilson and Sabathia are pipe dreams (not so with Pujols/Fielder), the Cubs should be looking for reliable for the time being. Seriously, the rotation is: Garza Dempster Z (but probably not) Wells ? Overall, that's neither good nor reliable. And it's likely to get worse, since I think it's a fair assumption that Zambrano is gone. As far as Wells goes, he's gotten worse the last two years and was probably always smoke-and-mirrors. In that case, when you have two reliable starters, you have to do something. The smart thing to do is keep Zambrano and go out and get the best guy you can find.