CINCINNATI—Clayton Kershaw pitched five sharp innings for his first win since June 27, Gavin Lux and Corey Seager each hit two-run homers and the streaking Los Angeles Dodgers beat the sliding Cincinnati Reds 8-5 Sunday. Will Smith also homered as the Dodgers won for the eighth time in nine games. They began the afternoon two games behind San Francisco in the NL West. The Reds lost their eighth straight series after starting the day two games in back of St. Louis for the second NL wild-card spot. Kershaw (10-7) allowed one run and three hits, striking out eight without a walk. He pitched in Cincinnati for the first time since 2013. “It was great,” Los Angeles manager Dave Roberts said. “I thought he was great all the way around. I’m a little biased, but I thought he got squeezed a little, but he was fantastic. Overall really in control. See …