Every game, even one as bad as the demolition of the Dallas Cowboys by the San Francisco 49ers, offers a chance to learn things about the team. This week, there may be a lot of things to take away, but one thing looms over all others. The evidence so far points to the Cowboys only playing well when they have a lead. Get the first score against them, and they simply start to come apart. Against the 49ers they did exactly that, and it was the same story when they suffered their first embarrassment against the Arizona Cardinals.
Cowboys at 49ers: The big lesson learned may herald future failures
