With thanks to team photographers and Getty Images, please enjoy photos that have officials in the frame. Note how the officials are carrying their electronic whistles (either tied to their belt loops or tied with a wrist lanyard).
From team photographers (click on a photo to begin gallery):
Ron Torbert (Baltimore Ravens)
Fred Bryan (Kansas City Chiefs)
Dino Paganelli (New York Jets)
Michael Banks (Houston Texans)
Bill Vinovich (Green Bay Packers)
Alex Kemp and Greg Bradley (Detroit Lions)
Note Tony Michalek holding his electronic whistle that is strapped to his belt. (Green Bay Packers)
Jimmy Russell (Las Vegas Raiders)
Perry Paganelli ready to judge a field goal (Green Bay Packers).
Blakeman Crew (Kansas City Chiefs)
Umpire Paul King. Note his electronic whistle. It is strapped to his left wrist and he's carrying it in his hand. (New England Patriots)
Adrian Hill (New England Patriots)
Don Willard (Minnesota Vikings)
Tom Hill (Seattle Seahawks)
Rick Patterson (Las Vegas Raiders)
Dan Ferrell (Los Angeles Rams)
Down judge Mike Carr and side judge Don Willard (Green Bay Packers).
Mike Carr (Green Bay Packers)
Perry Paganelli (Minnesota Vikings)
Tom Symonette (Indianapolis Colts)
Bill Vinovich (Green Bay Packers)
David Meslow (Green Bay Packers)
Tony Corrente (Dallas Cowboys)
Shawn Smith (Buffalo Bills)
Brad Rogers (Washington)
Matt Edwards (Detroit Lions)
David Meslow (Green Bay Packers)
Jeff Seeman (Green Bay Packers)
Walt Coleman, IV (Washington)
Fred Bryan (Kansas City Chiefs)
Jeff Seeman (Green Bay Packers)
Tony Michalek (Green Bay Packers)
Todd Prukop and Tony Corrente conduct an old-fashioned coin toss (Dallas Cowboys).
Mark Hittner (Houston Texans)
From Getty Images:
Referee Adrian Hill
Officials Ron Torbert and James Coleman kneel during the National Anthem. Down Judge Jim Mello is in the background.
Line judge Mark Perlman
Referee Ron Torbert
Down judge Derek Bowers
Referee Shawn Hochuli
Referee Jerome Boger and down judge Julian Mapp.
Side judge Jonah Monroe
Down judge Sarah Thomas
Umpire Ramon George. Note the electronic whistle tied to his belt.
