Why the NFL is Streamlining Instant Replay
Upon Further Review: Instant Replay Should be Banned from Sports, by Connor Groel, Top Level Sports
How instant replay has revolutioned sports on TV – The Denver Post
History of Instant Replay
Dec. 7, 1963: Video Instant Replay Comes to TV
Play it again: NFL fans get 360-degree instant replay: Digital Photography Review
Is Instant Replay in Football Doing More Bad Than Good?
Replay in sports: Ranking the systems from best to worst
Report: League installing real-time fiber optics for replay review - NBC Sports
On Further Review, the NFL's Instant Replay is Finally Instant
History of Instant Replay
The CFL has figured instant replay out. How long until the NFL and CFB follow suit? - Footballscoop
No momentum for big instant replay rule changes – Football Zebras
On Further Review, the NFL's Instant Replay is Finally Instant