They probably have the best rotation in the NL, but the offense could be problematic. In particular, the Dodgers figure to get sub-optimal production from each outfield spot. With that said, pitching will keep them in the race.
Somehow, the Diamondbacks are higher ranked (9) under the assumption that potential = production. But on the glass half not-empty side, MSN predicts that the defending chump Cards might not finish above .500 (13), the always hatable Braves are close to the cellar (19), the Royals aren't ranked last (28), and the Giants look to suck early and often (25).