Which leading NFL contender is most in danger of going into a tailspin?

Many of the NFL's top contenders have gotten a midseason wake-up call.

Six of the league's eight current division leaders have suffered a defeat in the last two weeks. The chaos has sent a clear message: In a league in which every franchise has at least two losses through 10 weeks, the so-called front-runners can't take anything for granted, especially with a horde of teams not far back in the playoff hunt. And winning a division and securing a game at home doesn't guarantee postseason success, as the Tampa Bay Buccaneers' run from NFC wild card to Super Bowl champs last year illustrated.

With all that in mind, we asked USA TODAY Sports' NFL reporters and columnists:

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