When the Dodgers seemed to be steamrolling toward a sweep of the Cubs in the best-of-seven National League Championship Series presented by Camping World, it didn't look as if leaving Corey Seager and his sprained back off the roster would matter. With a devastating bullpen and Justin Turner walk-offs, the absence of the All-Star shortstop was covered over. But Wednesday night's 3-2 loss in Game 4 showed the Dodgers' depth can go only so far.