SEC to experiment with 8 football officials, but what's right number? - CBSSports.com
Finding and keeping high school football officials has become dire situation
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A star in stripes: NFL makes a historic hire with N.J. official - nj.com
Ask Sam Farmer: Are there throwback uniforms for NFL officials? - Los Angeles Times
Two officials take big hits from Illinois players | Yardbarker
Off-season is underway for NFL's part-time game officials, as league considers some full-time changes - cleveland.com
Ask Farmer: Why do NFL referees have numbers? - Los Angeles Times
The Screwed Tape Letters: Why I Should Be President (Of The College Football Playoff Committee) - Sports Illustrated TCU Killer Frogs News, Analysis and More
What do the letters stand for on the back of football referees' shirts? - Quora
I've come a long ways': Williamsport grad promoted to one of NFL's head referees | News, Sports, Jobs - Williamsport Sun-Gazette
Preseason officiating: no referee tryouts, no development officials, no 8th official experiments planned – Football Zebras
NFL sees its first Cherokee referee in Phillips | News | cherokeephoenix.org
Official (gridiron football) - Wikipedia
Cliff Keen MXS Sublimated Short Sleeve Football Ref Shirt - Athletic Stuff
Why Football Referees Have Letters & Numbers – vIQtory Sports
Do College Football Refs Have It In for Your Team? - Bloomberg
9 USFL officials selected to work in NFL for upcoming 2023 season | FOX Sports
2" CFO College Football Officials Soft-Tech Cold/Foul Weather Long Sle – GR8 CALL
Johnny Grier, N.F.L.'s First Black Referee, Dies at 74 - The New York Times
Smitty CFO College 2" Dye Sublimated Long Sleeve Football Referee Shirt | Ump Attire
History Made: Mississippi's first all-female officiating crew takes the field - By Torsheta Jackson - Mississippi Scoreboard
Official (gridiron football) - Wikipedia
