NFL Replay Officials NFL Football Operations
NFL's expedited replay process failed spectacularly on DeVonta Smith's catch in NFC Championship Game - CBS Boston
NFL proposed rule changes: No more replay review for pass interference calls or sky judges planned for 2020 season
NFL Caretakers: Clark Promoted, Six New NFL Officials Are Now Caretakers Of The Game – Locker-Report
NFL rule changes: Modified instant replay, more positions allowed to wear single-digit jerseys - The Washington Post
NFL referee assignments Week 9: Who are the officials for every game this week?
Even before kickoff, referees to make history in the Super Bowl
NFL officials have been off their game this season - The Boston Globe
What went wrong with NFL officiating in 2019 and what comes next? - ESPN
Replay Assistance Rule NFL Football Operations
Carl Madsen dies after working Chiefs-Titans game as replay official