The Giants' 6-4 verdict in Game 4 of the NLCS for a 3-1 lead was baffling on the face of it. The Giants had one extra-base hit -- Gregor Blanco's leadoff double in the first off the glove of center fielder Jon Jay -- when they overcame a one-run deficit with three sixth-inning runs. Another double would come from Brandon Crawford in the seventh. The Cards' defense caved, but that's what can happen when pressure is applied. Here are five things we learned from Game 4.