Rosenthal: 5 possible ways to improve MLB's instant replay system - The Athletic
Further review: Broncos find replay of 50-point loss 'not any fun'
NFL Instant Replay Process
At NFL owners meeting, a rarity: no complaints about instant replay or the rules - The Boston Globe
The History of Instant Replay in the NFL, News, Scores, Highlights, Stats, and Rumors
The 5 O'Clock Club: How instant replay is killing the NFL - Hogs Haven
Broncos' late field goal stuns Raiders 20-19, Raiders/NFL
Veteran Big 12 referee Scott Campbell hired by the NFL - On3
Coach's challenge could be a timely tool for teams to wield
On Further Review, the NFL's Instant Replay is Finally Instant
Where should I host my fantasy football league? The pros and cons of Yahoo, CBS, ESPN and more - The Athletic
Three New Rules and One Bylaw Approved for 2020 NFL Season
2020 NFL Draft - TV Instant Replay Review