How are NFL referees assigned to each game? - Quora
NFL umpire Terry Killens (77) on the field during an NFL football game, Sunday, Dec. 5, 2021, in Cincinnati. (AP Photo/Zach Bolinger Stock Photo - Alamy
Majority-female officiating crew 'didn't see a difference' during Miles' victory over Lane (photos, video)
NFL umpire Terry Killens (77) on the field during an NFL football game, Sunday, Dec. 5, 2021, in Cincinnati. (AP Photo/Zach Bolinger Stock Photo - Alamy
Who is the most famous NFL referee? - Quora
2019 NFL season - Wikipedia
How are NFL referees assigned to each game? - Quora
Earning his stripes: Terry Killens finds unique way back to NFL 16 years after playing - The Athletic
Referee Magazine - October 2021 by Referee Magazine - Issuu
2016 Las Vegas Bowl Guide by David Bassity - Issuu
Regular Season Game 11 - Chiefs vs. Rams (11-27-22) by Kansas City Chiefs - Issuu