NFL Power Rankings: NFC North

A quick look at ESPN.com's Week 7 Power Rankings:

1. Green Bay Packers

Trending: The NFL's last undefeated team faced no threat to its top-ranked status.

6. Detroit Lions

Trending: Down two after a 25-19 loss to the San Francisco 49ers.

14. Chicago Bears

Trending: Up four after a 39-10 victory over the Minnesota Vikings.

28. Minnesota Vikings

Trending: Down two after losing to the Bears.