NFL Instant Replay Process
NFL History: 100 objects that tell the story of football - Sports Illustrated
The History of Instant Replay in the NFL, News, Scores, Highlights, Stats, and Rumors
NFL rule changes: Modified instant replay, more positions allowed to wear single-digit jerseys - The Washington Post
CBS News poll: Football fans divided on use of instant replay, kneeling controversy - CBS News
What is pass interference in the NFL and is it reviewable? - The Washington Post
World Cup Doesn't Need Replay; It Needs Fairplay : Show Me Your Cleats! - World Cup 2010 Blog : NPR
NFL replay rules could reportedly change dramatically in 2021
NFL will partner with Hawk-Eye to enhance instant replay capabilities and shorten delays
Diving Headfirst Into Football Season With A New Look At Concussion Research - Science Friday
Telestrator + Replay = Better Sports Storytelling - Chyron