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All-Black referee crew to work for first time for Rams-Buccaneers game
NFL100: Before they were zebras, they were … candy canes? – Football Zebras
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From Harvard to Super Bowl: Ron Torbert to referee Sunday's game - The Boston Globe
NFL makes history with all-Black officiating crew for Monday night football
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Referee Sarah Thomas Will Make Super Bowl History - But She's Part of a Trend : NPR
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The NFL's 'all-star' officiating crews are ruining the playoffs - The Boston Globe
Bewers: For high school football referees, the expectation is 'be perfect but get better' | High Schools | theadvocate.com
What do the letters stand for on the back of football referees' shirts? - Quora
What Do Football Referee Letters Stand For?
How the NFL Can Revamp Rulebook for the Betterment of Football | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Why Football Referees Have Letters & Numbers – vIQtory Sports
Officials' Responsibilities & Positions | NFL Football Operations
Preseason officiating: no referee tryouts, no development officials, no 8th official experiments planned – Football Zebras
/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
What do the letters stand for on the back of football referees' shirts? - Quora
Terrible penalty' decides Chiefs-Eagles Super Bowl: 'You CANNOT call that! - nj.com
