From ugly hats to upsets, the biggest stories of Week 2

Nine of Week 2's games were decided by less than a touchdown. But tight finishes and swelling parity are only a sliver of the story. 

The NFL comes with one guarantee—it's never boring. From crazy hats to key injuries to certain teams unable to shake their stigmas, here are the most prevalent stories from the NFL's second week, as selected by SI.com editors.

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