NFL Week 5 Power Rankings: Bills serve notice with dominant defense, unbeaten Cardinals rise to No. 1 | CBS Sports Headlines NFL Week 5 Power Rankings: Bills serve notice with dominant defense, unbeaten Cardinals rise to No. 1 Pete Prisco has the Bills at No. 4 ahead of their huge … Continue reading NFL Week 5 Power Rankings: Bills serve notice with dominant defense, unbeaten Cardinals rise to No. 1