The NFL has an instant replay camera problem
Tackling Tech: An Inside Look at NFL Instant Replay for 2017
Why NFL's expanded instant replay is step in right direction – The Denver Post
The History of Instant Replay in the NFL, News, Scores, Highlights, Stats, and Rumors
Has NFL found answer to fewer challenges with 'replay assistance'?
2023 College Football Rule Changes Explained
NFL Replay Officials NFL Football Operations
Hawk-Eye NFL Football Operations
Instant replay - NFLGirlUK
He Invented Instant Replay, The TV Trick We Now Take For Granted : The Two-Way : NPR
He Invented Instant Replay, The TV Trick We Now Take For Granted : The Two-Way : NPR
NFL's new replay review procedure that will start in 2017
Instant replay under review next week: NFL Newswatch