Ask Sam Farmer: Are there throwback uniforms for NFL officials? - Los Angeles Times
Football Referee Glossary | Smitteez Sportswear
Smitty CFO College 2" Dye Sublimated Short Sleeve Football Referee Shirt | Ump-Attire.com
Official (gridiron football) - Wikiwand
Football Referee Gear, Uniforms, Clothing, Shirts, Apparel, Equipment and Accessories | Smitteez Sportswear
Ask Farmer: Why do NFL referees have numbers? - Los Angeles Times
History of the Official | NFL Football Operations
AFL On-Field Officials
The Real Reason NFL Referees Wear Black and White
College Football Rule Changes: Quicker Replays, Zeros on Jerseys and Social Distancing - The New York Times
Why do referees wear black and white stripes? | 11alive.com
The Gridiron Uniform Database: The Zebras Are Coming Hooray Hooray, The Zebras Are Coming Hooray Hooray!!
Fashion statement: NFL refs to sport new uniforms
NFL Referee uniform with white knickers | This is the unifor… | Flickr
Officials' Responsibilities & Positions | NFL Football Operations
Sarah Thomas' Salary: How Much Does a Super Bowl Ref Make? | Heavy.com
Pin on My NFL Likes
NFL tweaks referee uniforms ... again - Fandom - ESPN Playbook- ESPN
Why Football Referees Have Letters & Numbers – vIQtory Sports
official equipment | Football Zebras
NFL Change Allows Sarah Thomas to Wear Ponytail in Super Bowl
Former NFL referee: Vick should not be receiving calls
Regular refs back; Goodell apologizes to fans - The San Diego Union-Tribune
Here's how much NFL referees get paid
Did Bill Cowher Cause a Change in NFL Officials' Unis?
