Extra ref, onside kick among rules NFL considers changing - Los Angeles Times
Automatic: NFL replay booth playing bigger role
30 Changes Needed In Sports. I love sports. There is so much to love…, by Peter Bobrinskoy
College football video replay review frustrating, inconsistent
Inbox: It was a nightmare scenario, and the nightmare occurred
Replay referee given more influence in 2021 NFL season - CGTN
On Further Review, the NFL's Instant Replay is Finally Instant
Why the NFL Still Uses Chains to Measure First Downs
5 ways to fix the NFL's problem with the refs and rules-BuffaloPlus.com
Rule change expanding role for replay official is expected to pass - NBC Sports
On Further Review, the NFL's Instant Replay is Finally Instant
Penalty adjustment to targeting rule could have big effect on games
Tua Tagovailoa and the problem with the NFL's concussion protocols