NL west showdownSAN FRANCISCO GIANTS (84-71) at DODGERS (89-67)MONDAYRHP Jake Peavy (7-13, 3.82) vs. RHP Dan Haren (13-11, 4.14)This month: Peavy (3-0, 0.93); Haren (2-1, 3.00)TUESDAYLHP Madison Bumgarner (18-9, 2.91) vs. RHP Zack Greinke (15-8, 2.76)This month: Bumgarner (2-0, 2.