Replay review in gridiron football - Wikipedia
KonekTV moment in sports history: On September 7th, 1986, the
NFL100: 30 years ago instant replay helped decide the outcome of a
Instant Replay Game: 25 years later
Instant Replay: The Green Bay Diary of Jerry Kramer: Kramer, Jerry
Official website of the New England Patriots
History of Instant Replay
A Microsoft Surface instant replay tablet sits on the sideline