Madison Bumgarner struck out eight and took a share of the major league lead with 18 wins, and the San Francisco Giants moved within one game of NL West-leading Los Angeles by beating the Dodgers 9-0 on Friday night.Los Angeles Dodgers left fielder Scott Van Slyke makes a diving catch on a pop fly from San Francisco Giants' Angel Pagan during the third inning of a baseball game Friday, Sept. 12, 2014, in San Francisco.Los Angeles Dodgers' Adrian Gonzalez reacts after striking out during the fifth inning of a baseball game against the San Francisco Giants on Friday, Sept. 12, 2014, in San Francisco.San Francisco Giants' Hunter Pence is met in the dugout after scoring on a single from Joaquin Arias during the first inning of a baseball game against the Los Angeles Dodgers on Friday, Sept. 12, 2014, in San Francisco.San Francisco Giants' Brandon Crawford drives in a run with a double against the Los Angeles Dodgers during the first inning of a baseball game Friday, Sept. 12, 2014, in San Francisco.