The D-Backs are 49-44 on the season, but BP's adjusted standings report suggests they ought to be much worse, like 41-52. I hope BP is better at predicting Arizona's skill at this point in the season than AZ's track record. It's still too early to be calling anything a "must-win," but the way the Cubs are reeling them off lately, even a split of this series would be a little disappointing.
Speaking of the Cubs, they are playing the Giants this week. San Fran is the opposite of Arizona: they are better than their record suggests...but that doesn't mean they're very good.
Tonight, it's Dave Bush vs. Micah Owings. The official site has some happy small-sample talk about Bush: