NFL Coaches Yell At Refs Because It Freakin' Works
Why Mike Pereira agrees with Aaron Rodgers' take on state of NFL officiating – NBC Sports Chicago
How Much Does an NFL Referee Make?
NFL playoff officiating decisions - What happened on controversial calls -- right and wrong -- and what came next - ESPN
Owners have excellent opportunity to streamline replay - NBC Sports
Commentary: NFL officiating won't get any better — because it can't
Pac-12 officiating is in massive crisis as executive interloper overrules replay decision – Football Zebras
NFL Sky Judge: How the New Process Works + Impact on Games
Who is Carl Cheffers? Get to know Super Bowl LVII head referee – NBC Sports Philadelphia