Madison Bumgarner matched his career high with 11 strikeouts, Jeff Keppinger and Pablo Sandoval hit consecutive homers in the fourth inning, and the San Francisco Giants beat the Chicago Cubs 4-0 on Wednesday to snap a three-game skid and avoid a sweep. On a day when general manager Brian Sabean began making big changes to the struggling World Series champions, Bumgarner (9-12) was brilliant when...