NFL refs will talk to officiating office during replay reviews - NBC Sports
NFL referees under fire after controversial weekend, capped by Giants-Commanders debacle
Tyreek Hill: Pass interference should be reviewable, yardage credited to receivers - NBC Sports
NFL creates new officiating post: VP of replay and administration – Football Zebras
Why NBC's Terry McAulay called out NFL officials over touchback rule in 49ers vs. Chargers
MNF Officials Make Questionable 'Roughing The Passer' Call
All eyes on NFL replacement officials while real ones negotiate – The Denver Post
The NFL's 'all-star' officiating crews are ruining the playoffs - The Boston Globe
Here's a guide to targeting in college football and the NFL – NBC Sports Chicago
Owners have excellent opportunity to streamline replay - NBC Sports
NFL considering adding booth umpire and more to help on replays - Newsday