Tomorrow may be the biggest test the 10-4 Green Bay Packers have had all season.
The Arizona Cardinals are 12-2, and some believe they're better than the undefeated Carolina Panthers.
Is there a weakness on this Arizona? Do the Packers have what it takes to overcome all the Cardinals have in every facet of play?
Greg Matzek and Jay Sorgi share three keys for the Packers to win tomorrow. Check them out in our video.
