NFL Referee Salary: How Much Do NFL Refs Make? (Updated 2023)
The replay timing rule change that's not in the rulebook – Football Zebras
NFL Week 17 roundup: Patriots stunned at home in loss to Dolphins - Los Angeles Times
NFL rule changes 2019: Teams want instant replay and overtime changes, NFL, Sport
NFL replay rule change: Pass interference now can be reviewed
Inbox: The Packers are making sure it stays that way
NFL won't change overtime rules despite Chiefs' push for both teams to get possession
Replay Assistance Rule NFL Football Operations
Behind the scenes at the NFL's new replay review center in New York - Sports Illustrated