LOS ANGELES (AP) — Zack Greinke beat Madison Bumgarner in a premier pitching matchup, and the first-place Los Angeles Dodgers defeated the second-place San Francisco Giants 2-1 on Tuesday night for the second time in the same day.The Dodgers increased their division lead to 5 ½ games after taking the series opener 5-4 in 14 innings in a game that ended at 12:39 a.m. PST Tuesday. They have won seven of their last eight.Greinke (15-3) allowed one run and five hits in 7 1/3 innings. He struck out five and walked one while improving to 7-0 in seven starts against the Giants since joining the Dodgers in 2012.Kenley Jansen pitcAhed the ninth for his 28th save in 30 chances.Bumgarner (16-7) was coming off a dominant August, going 5-0 with a 1.43 ERA and 53 strikeouts in 37 2/3 innings.