Video assistant referee - Wikipedia
Is Electronic Officiating Bad for Sports? - WSJ
For ACC and power conferences, off-site help on football replay
Frontiers The effect of the video assistant referee (VAR) on
NFL Owners Approve Replay Rule Changes, Among Others for 2021 Season
Detroit Lions propose 3 rule changes for 2023 NFL season: A look
Using Instant Replay to Challenge a Call in American Football
NFL Replay Officials NFL Football Operations
For ACC and power conferences, off-site help on football replay
How Instant Replay Is Changing the Football Landscape • Hudl Blog