Enjoy photos of NFL officials at work in Week 12, courtesy of team photographers and Getty Images.
Click on a photo to start the gallery:
Duane Heydt (Raiders)
Jeff Bergman (Vikings)
Terry KillensSaints
Tab Slaughter and Clete Blakeman (Lions)
Brad Allen (Raiders)
Scott Novak (Cowboys)
Alan Eck (bear)
Scott Novak (Cowboys)
Kevin Codey (Chiefs)
Adrian Hill (rams)
Walt Coleman IV (Giants)
Daniel Gallagher (Raiders)
Tom Stephan (Crows)
Tra Boger (Cowboys)
Jeff Bergman (Vikings)
Greg BradleySaints
Clay Reynard (Eagles)
Mike Morton (Vikings)
Mark Pellis and Ron Torbert (Chargers)
Ramon George (Giants)
Tom Eaton (Falcons)
David Meslow and Derick Bowers (Cowboys)