NFL Rulebook NFL Football Operations
Offensive Pass Interference
How NFL teams can use pass interference replay to their advantage in 2019
NFL pass interference rule 2019: Explaining the new challenge, replay process for PI
Pass interference now reviewable in NFL
What is pass interference in the NFL and is it reviewable? - The Washington Post
NFL Institutes Radical Rule Change Allowing for Pass Interference Review
Pass interference replay review will not be returning in 2020, and competition committee chair explains why
NFL makes pass interference reviewable by replay. Here's what it means
Football Offensive Pass Interference Penalty
Inside the Problematic New Pass Interference Replay Rule - The Ringer
Establishing a standard is the most important aspect of OPI/DPI replay review - NBC Sports
College football pass interference: How the NCAA defines it, penalties
Late for Work 3/27: Lamar Jackson, Receivers Are Working Out Together in Florida