NFL Football Operations - #Infographic — take a step-by-step look at the NFL's instant replay process
NFL officials have been off their game this season - The Boston Globe
NFL May Soon Split Instant Replay Decisions Between NYC and LA
Instant replay on table for NFL owners - The Boston Globe
NFL Officials: Preparing for Success
Replay review in gridiron football - Wikipedia
NFL Officials: Preparing for Success
NFL creates new officiating post: VP of replay and administration – Football Zebras
NFL Replay Officials NFL Football Operations
NFL Football Operations NFL Football Operations