Wochit News - Tim Lincecum is pitching like his old carefree, confident self, and the San Francisco Giants are once again generating timely hits. The World Series champions are suddenly right back to their winning ways after a rough April. Buster Posey hit a two-run homer in the seventh inning through a thick mist hovering above the field, new-look Lincecum won his third straight decision, and the Giants beat the Los Angeles Dodgers 4 to 0 on Wednesday night for their fifth straight victory.