The Rules of the Draft NFL Football Operations
NFL replay rules could reportedly change dramatically in 2021
MLB 2014: How Will Baseball's Instant Replay Work? - WSJ
Let's Go to the Tape: How Other Sports Handle Video Review - The New York Times
Goodbye, pass interference replay review - Lessons learned from the NFL's failed officiating experiment - ESPN
Turnover on downs is now subject to automatic replay review The automatic review happens only if the offense fails to convert on fourth down. If the conversion is successful, any attempt
Can you challenge pass interference in the NFL? Replay rules and more about OPI, DPI in 2020
Percentage of successful MLB video reviews drops slightly. Marlins, Nationals best overturn rate – KXAN Austin
Detroit Lions submit 3 rule change proposals to NFL