Ask Farmer: Why do NFL referees have numbers? - Los Angeles Times
Officials' Responsibilities & Positions | NFL Football Operations
College football referees have an impossible job. Here's why - Sports Illustrated
NRL referees should take step back in finals
/cdn.vox-cdn.com/uploads/chorus_asset/file/24017753/usa_today_17483829.jpg "Peyton and Eli Manning admire referee Clete Blakeman's buff body - Outsports")
Peyton and Eli Manning admire referee Clete Blakeman's buff body - Outsports
What do the letters stand for on the back of football referees' shirts? - Quora
How Much Are NFL Referees Paid? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Why Football Referees Have Letters & Numbers – vIQtory Sports
All the Gear Super Bowl 50 Refs Will Use to Call the Game | WIRED
Super Bowl 2022 referee, officials: Who is assigned to Rams vs. Bengals? | Sporting News
Law 5 - The Referee
Ask Sam Farmer: Are there throwback uniforms for NFL officials? - Los Angeles Times
NFL Relaxes Restrictions on Jersey Numbers - The New York Times
Yeah, the O-line is important, but referees are Tom Brady's best friends
Super Bowl LIV: How NFL Measures First Downs Is Primitively Low-Tech
Football League referees will clamp down on time-wasting and punish dissent next season | Daily Mail Online
What Do Football Referee Letters Stand For?
Ed Hochuli, N.F.L. Referee, Has Long Had Fan Support - The New York Times
Column: NFL officials make far too many mistakes, and it's worse in the playoffs - The San Diego Union-Tribune
Officials' Responsibilities & Positions | NFL Football Operations
What are the black string-like things football referees wear on their hands for? - Quora
New NFL font
Why Football Referees Have Letters & Numbers – vIQtory Sports
Why Football Referees Have Letters & Numbers – vIQtory Sports
What do the letters stand for on the back of football referees' shirts? - Quora
NFL Officials: Preparing for Success | NFL Football Operations
US referee numbers are plunging and aggression is to blame | Referees | The Guardian
Why Football Referees Have Letters & Numbers – vIQtory Sports
