SAN FRANCISCO—Buster Posey could exhale at last, his teammates knowing better than to dog pile on their 34-year-old catcher celebrating a wild, 4 1/2-hour game that put San Francisco atop the NL West. “They know they need to be careful with me,” Posey cracked. Second baseman Trea Turner threw wildly on Posey’s bases-loaded, two-out grounder in the 11th inning and a lengthy video review upheld the safe call as the Giants beat the Los Angeles Dodgers 3-2 on Friday night to grab first place. “From my vantage point it looked like he was off. I knew it was really close,” Posey said. “I was hoping that it held up on replay.” The rivals began the night tied for the division lead. The Giants nearly won in the ninth, but Posey missed a defensive play on the bases and the Dodgers rallied to tie it at 1. After both teams scored …