The first full day of games is the best day of the year for NFL fans. The training camps are finished and there are no more meaningless preseason games to suffer through.
There were several interesting story lines heading into the Week 1 games. How would the rookie quarterbacks fare? Would players such as Jamal Charles, who is returning from injury, be as effective as before? Would the dysfunctional Jets be able to put together an offense?
Some of these questions have been answered from the first wave of games.
This list looks at five things that we have learned already from the completed games.