The landscape of the NFC North now looks different, although to be completely fair, it's safe to assume the Packers, Lions, and Bears probably were anticipating Favre's comeback and prepared accordingly.

That being said, there's a difference between "might be," and "definitely."

Now that Favre is back within the fold of the Minnesota Vikings, there are several things opposing teams will have to consider as they prepare to face the Vikings in 2010.

Not only that, but the Vikings now have to decide what to do with their own offense, and the repercussions his arrival will have on the rest of the team.

Bleacher Report - NFL