You know, for all the talk about the Sox "giving the game away" and "squeaking by," at no point did the Cards have a lead. The only time the game was tied at the end of an inning (which is to say, tied after both teams had played equal outs) was the end of the sixth. Which is to say, that was the only time (aside from the start of the game) that the Red Sox didn't have the advantage -- if not a dominating performance, definitely a successful one.
Both teams made had their share of defensive misfortune, whether or not it could be scored an error. It was a windy night, a cold night, and if all of the slipping and sliding was any indication, it was a damp night as well. Both teams were playing with the fatigue of a hard-won seven-game LCS (the Cards had a slightly less deplenishing series, but then the Sox had an extra day of rest). With all that in mind, it makes perfect sense that the defense (in terms of pitching as well as fielding) should have had plenty of holes on both teams. Neither team really "screwed up," and neither team outperformed the circumstances. The game came down to hitting, and the Red Sox were able to dig out more big hits than the Cardinals were.
Really, I don't look at this game as anything but a good sign for the Sox. The miracle-play of the ALCS wasn't on the field tonight (okay, maybe in the batter's box), and they were still able to get this win.
Just three more to go.