Replay review in gridiron football - Wikipedia
NFL owners approve replay change, other new rules for 2021 season - ESPN
NFL rule changes: Modified instant replay, more positions allowed to wear single-digit jerseys - The Washington Post
Brees on Week 1 officiating error: 'That can't happen'
The 2010s: The most defining NFL moments of the decade - The Athletic
Rule change expanding role for replay official is expected to pass - NBC Sports
Evolution of the NFL Rules
New Orleans attorney files lawsuit requesting NFL enforce league rule to reverse NFC Championship result after no-call controversy - ABC News
The 2010s: The most defining NFL moments of the decade - The Athletic
NFL replay rule change: Pass interference now can be reviewed
National Football League controversies - Wikipedia