NFL touts impact of 'replay assist' on reducing formal replay challenges - NBC Sports
Watch ProFootballTalk Clip: Florio: NFL 'opened can of worms' with replay assist
Watch ProFootballTalk Clip: Florio: NFL 'opened can of worms' with replay assist
Rules school: What replay assist can and can't do – Football Zebras
The NFL's 3 changes under the hood of replay that could have mixed results – Football Zebras
Pac-12 officiating is in massive crisis as executive interloper overrules replay decision – Football Zebras