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):
Referee Bill Vinovich (Oakland Raiders)
Referee Ronald Torbert (Saint Louis Rams)
Line judge Jeff Seeman and back judge Tony Steratore (New Orleans Saints)
Line judge Jeff Seeman and back judge Tony Steratore (New Orleans Saints)
Line judge Jeff Seeman and back judge Tony Steratore with a partially obscured referee Jerome Boger (New Orleans Saints)
Side judge Greg Meyer (Philadelphia Eagles)
Side judge Greg Meyer (Philadelphia Eagles)
Side judge Greg Meyer with head linesman Patrick Turner in the background (Philadelphia Eagles)
Back judge Jim Quirk, Jr. (Oakland Raiders)
Back judge Jim Quirk, Jr. (Oakland Raiders)
Field judge David Meslow (New Orleans Saints)
Head linesman John McGrath (New Orleans Saints)
Umpire Clay Martin (Philadelphia Eagles)
Field judge John Jenkins (Oakland Raiders)
Referee Ed Hochuli (Philadelphia Eagles)
Referee Clete Blakeman
Referee Clete Blakeman checks a bandage
Umpire Roy Ellison (Chicago Bears)
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
Carl Cheffers
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