Inside the Problematic New Pass Interference Replay Rule - The Ringer
NFL will consider instant replay changes, but 'sky judge' remains unlikely - The Washington Post
Super Bowl 2019: No need to overreact to NFL instant replay system
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The BIGGEST INSTANT REPLAY CONTROVERSY in Monday Night Football HISTORY
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The Rules of the Draft NFL Football Operations
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NFL rule changes: Modified instant replay, more positions allowed to wear single-digit jerseys - The Washington Post
How instant replay impacts the psyche and performance of officials