Should Professional Sports use Replay?, by Matthew Schoenemann
Upon further review – Instant replay works
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History of Instant Replay
The History of Instant Replay in the NFL, News, Scores, Highlights, Stats, and Rumors
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March 11, 1986: NFL Adopts Instant Replay
On Further Review, the NFL's Instant Replay is Finally Instant
On Further Review, the NFL's Instant Replay is Finally Instant