instant replay – Football Zebras
replay official – Football Zebras
Football Zebras - Analysis and commentary of the NFL's officials
The NFL's vague rules, overzealous refs and gruesome violence have
Week 7 officiating video: legal blocks, instant replay, 10 second
instant replay – Football Zebras
New proposal to add fouls to replay will not fix no-calls
NFL ZEBRAS ARE INCOMPETENT: THEY COULD SCREW UP THE PLAYOFFS
The History of Instant Replay in the NFL
Ref follies come to rescue – The Denver Post
instant replay – Football Zebras