Mike Brown expresses concerns over NFL replay expansion
Officials' Responsibilities & Positions
League Meetings Bring 2019 Rule Changes
XFL ANNOUNCES KEY RULE CHANGES FOR 2023 NEW POSSESSION OPTION AND CENTRALIZED REPLAY AMONG CHANGES - OnFocus
Goodbye, pass interference replay review - Lessons learned from the NFL's failed officiating experiment - ESPN
Replay Assistance Rule NFL Football Operations
NFL's behind-the-scenes Super Bowl: Tech-savvy crowd vs. old guard
Replay Assistance Rule NFL Football Operations
Instant replay on table for NFL owners - The Boston Globe