With thanks to team photographers and Getty Images, here are photos of NFL officials at work in Week 2.
From team photographers. Click on a photo to begin the gallery.
David Meslow (Chicago Bears)
Brad Allen and Bruce Stritesky (Los Angeles Rams)
Craig Wrolstad (Seattle Seahawks)
Brad Allen (Los Angeles Rams)
Carl Cheffers (Kansas City Chiefs)
Paul King (Pittsburgh Steelers)
Eugene Hall (Dallas Cowboys)
Jeff Seeman (Chicago Bears)
Mark Hittner (Detroit Lions)
Greg Wilson (Kansas City Chiefs)
Nate Jones and Walt Coleman, IV (Dallas Cowboys)
Rich Hall (Los Angeles Chargers)
Michael Banks and Scott Helverson (Detroit Lions)
Jimmy Buchanan (Cleveland Browns)
Jim Quirk (Pittsburgh Steelers)
Dino Paganelli (Cleveland Browns)
Nate Jones (Atlanta Falcons)
Bryan Neale (Cleveland Browns)
Adrian Hill, Paul King and Keith Washington (Pittsburgh Steelers)
Dino Paganelli (Cleveland Browns)
Ruben Fowler (New England Patriots)
Keith Ferguson (Seattle Seahawks)
Greg Wilson, Clay Renard and Patrick Turner (Los Angeles Chargers)
Ed Camp (Pittsburgh Steelers)
Brad Rogers (Dallas Cowboys)
Clete Blakeman (Green Bay Packers)
From Getty Images:
Brad Allen crew
Tony Corrente
Tony Josslyn:
Tom Symonette
Don Willard