Let's throwback to 1983 when referee Fred Silva and crew had to sort out a Mark Gastineau vs. the Los Angeles Rams brawl.
The umpire returns to the traditional position on field goals and extra points to help protect the snapper.
How does a referee conduct a Super Bowl coin toss with dozens of cameras blazing away while the world watches?
The officials in the Week 14 Dolphins-Chargers game could have ruined the Tyreek Hill fumble. Find out how their training made for a great call.
Go back a generation and you can see a stark change in how officials signal plays.
NFL officials don't have to stick around to officiate the post-game handshake line.
The bean bag can act like an extra foot for a football official.
Here's how the officials spot the ball during the two minute drill.
Referees need to be more talkative on the microphone this season.
Officials have mechanics for everything, including for one of the most chaotic moments on the field.