The NFL has an instant replay camera problem
When Damar Hamlin collapsed, the NFL deployed its emergency action
NFL refs and instant replay are destroying the league
Has The NFL's Instant Replay Run Its Course?
History of Instant Replay
Inside the Problematic New Pass Interference Replay Rule - The Ringer
History of Instant Replay
American football rules - Wikipedia
Replay review in gridiron football - Wikipedia
Creating the NFL Schedule
Hurley: NFL Trying To Fix Instant Replay Problem By Not