Don Banks: Recalling how NFL adopted, refined instant replay - Sports Illustrated
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NFL admits to breakdown in instant replay process
History of Instant Replay
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States Experiment With Instant Replay in High School Football
Breaking Down The NFL Instant Replay System
Upon Further Review: A Brief History of Instant Replay
History of Instant Replay
How to fix the NFL's instant replay system.
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The History of Instant Replay in the NFL, News, Scores, Highlights, Stats, and Rumors
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