SAN FRANCISCO — On Sept. 29, 2015, with the Giants threatening to get back into a division race that had seemed lost, Clayton Kershaw took the mound at AT&T Park. He pitched a shutout, struck out 13, and clinched an NL West crown.The stakes were nowhere near that high Wednesday, but Kershaw once again put his spikes down on the throat of his surging rival. He threw seven shutout innings, allowing just three singles and leading the Dodgers to a 6-1 win that snapped the Giants' season-long five-game winning streak. Alameda County Sheriff's Deputy Rear-Ended by Bus, Killed The win was Kershaw's 20th against the Giants and 12th in 19 career starts at AT&T Park. He has a 1.29 ERA here.There is no margin for error against Kershaw, and Johnny Cueto couldn't keep the Dodgers off the board early. With two on and two outs in the first, he threw a good two-strike slider to Yasmani Grandal. Buster Posey spread out in the dirt, preparing to block strike three, but Grandal somehow drilled it off the wall for a 2-0 lead. Psychologist Expected in Sierra LaMar Murder Case: Documents Cueto and Grandal chirped at each other in the third and the benches cleared. By that point it was 3-0...