Instant replay on table for NFL owners - The Boston Globe
KRYK: Given conclusive data on DPI's impact, NFL must allow reviews
The NFL's pass-interference problem - What makes replay review so tricky - ESPN
How an evolving Patriots defense closed the door on Steelers
Is Jay Gruden prepared to handle the new “weaponized” pass interference challenge rule? - Hogs Haven
NFL Institutes Radical Rule Change Allowing for Pass Interference Review
Pass Interference or Not? No One in the N.F.L. Seems to Know - The New York Times
New pass interference reviews lead to lots of confusion
N.F.L. Will Experiment With Replay Reviews of Pass Interference - The New York Times
NFL looks at adding “booth umpire” and tech adviser for refs