August seems like forever ago in NFL terms, but it has really only been 15 weeks. So much can change in the course of four months, and what might have seemed controversial or even absurd over the summer has turned out to be obvious and factual. In going back through the 2019 season, I can sit here now and say things that would have absolutely shocked me back in the preseason.
Let's run through 15 of the biggest surprises from this NFL season. I'll also try to get a sense of how sustainable or likely to reoccur each is, although some are self-evident.