From Yahoo! Sports. Check out the entire piece on this link.

Oh, how the mighty are falling?

For the second straight week, every team that won a division title in the NFC in 2012 came up short on the scoreboard. In fact, the only defending divisional champion to win in Week 12 was the Denver Broncos, who knocked off the previously-undefeated Kansas City Chiefs.

In fact, the only teams to reach the playoffs last season to win last week were the Broncos, the Cincinnati Bengals, theIndianapolis Colts and the Seattle Seahawks.

And it's also worth noting that exactly half of last season's playoff field is not above .500 with six weeks remaining.

One more time, here is the weekly look and ranking of how last season's postseason field is faring in 2013. Feel free to add