Marcus Thames tripled in the go-ahead run during a four-run seventh inning and the Los Angeles Dodgers defeated the San Francisco Giants 7-5 Sunday night, taking three of four from the defending World Series champions. The Dodgers scored all four runs off reliever Dan Runzler (0-1). Pinch-hitter Aaron Miles followed Thames' clutch hit with a single to right, scoring pinch-runner Tony Gwynn Jr.