The slumping San Francisco Giants are struggling to hit against just about everybody right now. The major league-leading Oakland Athletics are shutting down opponents at the plate on a regular basis.Oakland Athletics' Jesse Chavez works against the San Francisco Giants in the first inning of a baseball game Monday, July 7, 2014, in Oakland, Calif.San Francisco Giants' Ryan Vogelsong works against the Oakland Athletics in the first inning of a baseball game Monday, July 7, 2014, in Oakland, Calif.Oakland Athletics' Jed Lowrie, left, and Josh Donaldson (20) celebrate after both scored against the San Francisco Giants in the sixth inning of a baseball game Monday, July 7, 2014, in Oakland, Calif. Both scored on a double by Alberto Callaspo.San Francisco Giants' Ryan Vogelsong works against the Oakland Athletics in the first inning of a baseball game Monday, July 7, 2014, in Oakland, Calif.