Ranking the NFL's most vulnerable division winners from 2020: From iffy Seahawks to secure Chiefs

Which teams are most likely to keep their division crown? Which are set to lose it?

Every year, the NFL postseason picture looks different. Sounds obvious, but all too often, we assume that the previous season's contenders will be back in the mix. In reality, everything from division winners to Super Bowl contenders are unpredictable. With that in mind, we decided to rank each of 2020's first-place teams from most to least vulnerable entering the 2021 campaign. Who's most likely to keep their division crown? Who's most likely to lose it? Here's our rundown, from shakiest to sturdiest: