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