Maia Chaka becomes first Black woman to referee NFL game | WFLA
Smitty 2" Stripe Body Flex Short Sleeve Football Referee Shirt with Position Placket | Ump Attire
Official (gridiron football) - Wikipedia
Rodger Sherman on Twitter: "what material are NFL referee uniforms made out of? I have never seen an item of clothing this wet https://t.co/lltyIEMWjj" / Twitter
Officials' Responsibilities & Positions | NFL Football Operations
Steed Among the First All African-American NFL Officiating Crew to Work MNF - Howard University Athletics
Who are the Super Bowl 2019 officials and how were they chosen? - SBNation.com
The Real Reason NFL Referees Wear Black and White
Claims of NFL referee in Bengals-Chiefs game being investigated are not true | WKRC
Pereira: Players won't be the only ones battling the Lambeau cold | FOX Sports
Ask Farmer: Explaining the purpose of the referee's black wristbands - Los Angeles Times