By Tim Graham
The Buffalo Bills have announced through their website they are headed to Arizona today to interview coaching candidates.
They did not reveal names on their list, but they're believed to be former Cardinals coach Ken Whisenhunt and Cardinals defensive coordinator Ray Horton.
ESPN's Adam Schefter also has reported the Bills have asked the Denver Broncos for permission to interview offensive coordinator Mike McCoy.
The Broncos, with Peyton Manning at quarterback, ranked second in total offense, third in rushing offense and third in passing offense. They also ranked second in sacks per pass play and first in third-down efficiency.