NFL Referee Salary: How Much Do NFL Refs Make? (Updated 2023)
NFL distributes updated rules on pass interference replay review
NFL Football Operations on X: This rule change also expands automatic replay reviews to include scoring plays and turnovers negated by a foul, and any Try attempt (extra point or two-point conversion).
Important Rule Changes for the 2019 College Football Season - National Football Foundation
Pass interference replay review will not be returning in 2020, and competition committee chair explains why
History of Instant Replay
The NFL, the NCAA, and the Eternal Football Rules Debate - The Ringer
NFL rule changes: Modified instant replay, more positions allowed to wear single-digit jerseys - The Washington Post
How NFL teams can use pass interference replay to their advantage in 2019
Using Instant Replay to Challenge a Call in American Football - dummies
NFL Adopts Changes to Instant Replay Review System