You know how it went. You could recite it by heart. It was an article of faith, something that you believed without questioning, something that always was and always would be.
Defense wins championships.
The problem is that we have just lived through a decade when it wasn't true anymore. The 1990s were a time of great heresy. The last time anybody in the NFL flat-out won the championship with defense was the 1990 New York Giants. Ever since then, offense has ruled. Still, it nags at you.