History of Instant Replay
The Invention of Instant Replay Lemelson Center for the Study of
NFL Replay Officials NFL Football Operations
Instant Replay Archives – Muddy River News
NFL makes pass-interference calls (and noncalls) reviewable - Los
'This isn't for everyone': A labor of love for football refs
NFL adopts rule changes for 2019 season
History of Instant Replay
History of Instant Replay
ER on the field: An inside look at how NFL medical teams prepare
NFL owners have lots to tackle at annual meeting
The Baltimore Ravens take the lead in suggested rule changes in
The Invention of Instant Replay Lemelson Center for the Study of
Replay Assistance Rule NFL Football Operations