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):
Terry Killens (Las Vegas Raiders)
Dan Gallagher (New Orleans Saints)
Alan Eck (Miami Dolphins)
Allen Baynes (Miami Dolphins)
Ron Torbert (New York Giants)
Ryan Dickson (New York Giants)
Ron Torbert (Philadelphia Eagles)
Mike Dolce and Bryan Neale (Indianapolis Colts)
Chad Hill (Las Vegas Raiders)
Brad Allen and Danny Short (New Orleans Saints)
Grantis Bell (Green Bay Packers)
Mike Carr and Rich Hall (Tennessee Titans)
Ryan Dickson (New York Giants)
Alex Kemp (Tennessee Titans)
Dan Gallagher (Buffalo Bills)
Greg Steed (Detroit Lions)
Shawn Smith (Indianapolis Colts)
Jim Quirk (Buffalo Bills)
Greg Bradley (Detroit Lions)
Greg Steed (Detroit Lions)
Kevin Codey (New York Giants)
From Getty Images:
