The NFL is now concerned about officiating. What took the NFL so long?
NFL admits officiating mistake in Vikings win over Bills
NFL Officials: Preparing for Success
NFL Referee Salary: How Much Do NFL Refs Make? (Updated 2023)
The NFL's 'all-star' officiating crews are ruining the playoffs - The Boston Globe
Rise of the TV rules analysts shows the NFL has a problem, NFL
Each N.F.L. Team's Playoff Path: Week 17 - The New York Times
Were the Chiefs Doomed by Bad Officiating or Their Own Mistakes? Yes. - The Ringer
NFL playoff officiating decisions - Did the officials review a non-reviewable play in Bills-Chiefs? - ESPN
NHL needs to expand video review as bad calls from referees rise