Adam Wainwright allowed four hits over 7 2-3 innings, Matt Carpenter continued to feast on San Francisco pitching and the St. Louis Cardinals ended a scoring drought, beating the Giants 2-0 Wednesday night.San Francisco Giants' Michael Morse walks back to the dugout after striking out swinging against St. Louis Cardinals starting pitcher Adam Wainwright in the seventh inning of a baseball game Wednesday, July 2, 2014, in San Francisco.St. Louis Cardinals' Matt Carpenter hits an RBI single off San Francisco Giants starting pitcher Ryan Vogelsong in the third inning of their baseball game Wednesday, July 2, 2014, in San Francisco.San Francisco Giants shortstop Brandon Crawford stops a ground ball hit by St. Louis Cardinals' Matt Holliday in the sixth inning of a baseball game Wednesday, July 2, 2014, in San Francisco. Crawford made the throw and Holliday was out at first base on the play.