What do the letters stand for on the back of football referees' shirts? - Quora
Officials' Responsibilities & Positions | NFL Football Operations
NFL taking another look at adding an 8th official in preseason test – Football Zebras
9 USFL officials selected to work in NFL for upcoming 2023 season | FOX Sports
History Made: Mississippi's first all-female officiating crew takes the field - By Torsheta Jackson - Mississippi Scoreboard
NFL announces retirement of referee Ed Hochuli, known for his bulging biceps and lengthy explanations - Los Angeles Times
Do College Football Refs Have It In for Your Team? - Bloomberg
Ask Farmer: Why do NFL referees have numbers? - Los Angeles Times
Smitty CFO College 2" "Body Flex" Short Sleeve Football Referee Shirt | Ump Attire
Youth Football Officials Association Referee Agreement - Referee Letters In Football | US Legal Forms
/do0bihdskp9dy.cloudfront.net/08-16-2022/t_cfc361ddb76c47d0a2866035db1bd6ec_name_file_1280x720_2000_v3_1_.jpg "More referees needed for high school sports")
More referees needed for high school sports
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Official (gridiron football) - Wikipedia
What do the letters stand for on the back of football referees' shirts? - Quora
Recommended Jersey Letter and Number Sizes for Sports Garments
Ed Hochuli, N.F.L. Referee, Has Long Had Fan Support - The New York Times
Cliff Keen MXS Sublimated Short Sleeve Football Ref Shirt - Athletic Stuff
Smitty CFO College 2" Dye Sublimated Long Sleeve Football Referee Shirt | Ump Attire
First Black woman to referee Big Ten football also has full-time job in financial services | The Gazette
Referee Sarah Thomas Will Make Super Bowl History - But She's Part of a Trend : NPR
How the NFL Can Revamp Rulebook for the Betterment of Football | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
