Series preview: Dodgers at Cubs

CHICAGO -- Getting blown out in two straight games in Colorado and slipping two games in the standings heightened the Los Angeles Dodgers' sense of urgency in Chicago, where the Cubs are feeling pretty good about their chances of playing spoiler.The Dodgers tried to survive a three-game series in Colorado using their Nos. 3-5 starters and it didn't go well. The Dodgers bullpen had to pitch more than 17 of the 27 innings the teams played and they left town clinging to a two-game lead over the second-place San Francisco Giants.