All-Star Scott Kazmir struck out nine in seven scoreless innings to help the Oakland Athletics win the annual Bay Bridge series by beating the San Francisco Giants 6-1 on Thursday.San Francisco Giants' Hunter Pence reacts after being called out on strikes facing Oakland Athletics starting pitcher Scott Kazmir in the third inning of their interleague baseball game Thursday, July 10, 2014, in San Francisco.Oakland Athletics' John Jaso singles off San Francisco Giants starting pitcher Tim Hudson in the first inning of their interleague baseball game Thursday, July 10, 2014, in San Francisco.Oakland Athletics' Josh Donaldson hits a two run homer off San Francisco Giants starting pitcher Tim Hudson in the sixth inning of their interleague baseball game Thursday, July 10, 2014, in San Francisco.San Francisco Giants manager Bruce Bochy, center, stands on the mound with catcher Buster Posey, left, and first baseman Brandon Belt, right, during a pitching change after the Oakland Athletics scored their sixth run in the sixth inning of their interleague baseball game Thursday, July 10, 2014, in San Francisco. Bochy was relieving relief pitcher Javier Lopez.