Automatic: NFL replay booth playing bigger role
NFL replay reviews, challenges drop with new rules and tech - ESPN
Analyzing how the NFL can improve replay review, Pro Football Talk
NFL Officials Will Start Reviewing Every Single Scoring Play That Happens in Any Given Game
How the NFL can improve replay review
NFL's new replay review procedure that will start in 2017
How the NFL plans to overhaul instant replay in 2020, and who could oversee the transition
The 5 O'Clock Club: How instant replay is killing the NFL - Hogs Haven
Yes, the NFL puts microchips in footballs, but they're not ready for prime time on key calls – yet
On Further Review, the NFL's Instant Replay is Finally Instant