CHICAGO -- The Los Angeles Dodgers went into Thursday's game against the Chicago Cubs with a .018 percent winning percentage when trailing after six innings. Make that .036.They rallied from a three-run deficit in the seventh inning to beat the Cubs 8-4 Thursday night and accelerate their pursuit of the NL West title.The win padded the Dodgers' division lead to 2 1/2 games over the idle San Francisco Giants and reduced their magic number to eight.