What happened to the NFL's elite?

<p>Chiefs, Ravens, Eagles and Lions; Chiefs, Ravens, Eagles and Lions. Look back over the last half-decade of the NFL, and you'll see those four teams at the top of the league, year in and year out. They're all such constants, in fact, that it seems we just chisel their names in stone into the playoff picture in August. But this year, the Eagles are sputtering their way into December, and the Chiefs, Ravens and Lions all could easily miss the playoffs. So, what happened to these assumed powerhouses? On this episode of The Athletic Football Show, Diante Lee from The Ringer hops on with Robert Mays to cover the issues for the Ravens, Eagles and Lions, and then former Chiefs offensive lineman Mitch Schwartz joins Robert to break down the problems for his old team, and whether they can come back from them this season.</p><br><p>Rundown (timestamps are approximate)</p><p>8:26 Detroit Lions</p><p>24:33 Philadelphia Eagles</p><p>36:34 Baltimore Ravens</p><p>48:06 Any overarching lessons?</p><...