NFL Replay Officials NFL Football Operations
Another new MLB rule? Get ready for replay on speed dial. Some
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Bell: NFL poised to make significant change to instant replay
Important Rule Changes for the 2019 College Football Season
History of Instant Replay
Be the Referee: Football Finals Replay
2019 NFL Rule Changes: Pass interference, blindside blocks among
The NFL has an instant replay camera problem
League Meetings Bring 2019 Rule Changes
Why I Hate Instant Replays in Sports - WSJ