Here are photos of officials working Week 9 games.
The photos are courtesy of team photographers and Getty Images.
Team photographers (click on an image to open as a slidehow):
From Getty Images Head linesman Mark Hittner
Referee Craig Wrolstad listens to one of many complaints from Phillip Rivers
Field judge Adrian Hill and line judge Rusty Baynes
Rookie line judge Kevin Codey listens to an exchange between coach Gus Bradley and back judge Rich Martintz
Dan Campbell questions head linesman Kent Payne