It was the bottom of the eighth inning, and AT&T Park was rocking as if it was the world’s largest inflatable jumping playhouse. Two consecutive walks had loaded the bases in a tight game with two out, and the prospect of an insurance run so late in the game had the crowd in a frenzy. The Rangers went to their bullpen again, and the hapless reliever couldn’t find the strike zone. He missed for Ball One as the crowd improbably got even louder than the otherworldly level they had already achieved. Ball Two. Even louder. Ball Three. The volume rose again. Ball Four. It’s three to nothing now, and the crowd goes berserk. Next batter. Ball One. Louder. Ball Two. Louder still. Ball Three. Even louder. Ball Four, and the place explodes. The finish line was clearly in sight, but the Giants weren’t through yet. A barrage of hits yields five more runs, and the crowd became giddy, high-fiving groups of total strangers amid an embarrassment of riches.