The 1972 Dolphins do this thing where they pop champagne when the last unbeaten team loses each season, making that squad the last team to go through unbeaten.
It happened early this year. The 49ers and Eagles lost in Week 6, meaning the entire league has at least one loss. And just as you'd expect, former star Dolphins running back Larry Csonka tweeted a picture of a champagne bottle being popped.
That shows one eternal truth. This is a week-to-week league, and it's difficult to navigate it without running into a bad matchup or some bad luck.
There are obviously a bunch of teams in the middle of the pack, and the NFL's elite remain so despite a blemishes on records.
That's why there isn't tons of wild fluctuation in these Week 7 NFL Power Rankings, including a Falcons team that fell a little bit after learning a hard lesson that turnovers are the most important stat.
Let's take a look at how the league shakes out after six weeks of action:
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