Here are some photos of NFL officials on the field in Week 12, courtesy of team photographers and Getty Images.
From team photographers (click on a photo to begin the gallery):
Grantis Bell (Green Bay Packers)
Ryan Dickson (New York Giants)
Ron Torbert (Philadelphia Eagles)
Chad Hill (Las Vegas Raiders)
Terry Killens (Las Vegas Raiders)
Kevin Codey (New York Giants)
Alan Eck (Miami Dolphins)
Ron Torbert (New York Giants)
Greg Steed (Detroit Lions)
Allen Baynes (Miami Dolphins)
Dan Gallagher (Buffalo Bills)
Alex Kemp (Tennessee Titans)
Mike Carr and Rich Hall (Tennessee Titans)
Shawn Smith (Indianapolis Colts)
Mike Dolce and Bryan Neale (Indianapolis Colts)
Dan Gallagher (New Orleans Saints)
Ryan Dickson (New York Giants)
Jim Quirk (Buffalo Bills)
Greg Steed (Detroit Lions)
Brad Allen and Danny Short (New Orleans Saints)
Greg Bradley (Detroit Lions)
From Getty Images:
