The two-time defending Super Bowl champion Kansas City Chiefs (15-2) and Detroit Lions (15-2) earned the right to sit back and watch things unfold before beginning their quest for the Vince Lombardi Trophy,

The Lions and Chiefs are in a tier of their own odds-wise, thanks to their 15-win seasons and accordant first-round byes. But both have nagging concerns that, if you squint hard enough, begin to look a lot like vulnerabilities. Will any of their potential opponents through the postseason be able to capitalize on those vulnerabilities?