NFL playoff officiating decisions - What happened on controversial calls -- right and wrong -- and what came next - ESPN
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The official story Iowa Now - The University of Iowa
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Refs blow call near end of Seahawks' Monday night win over Lions – New York Daily News
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Ten Years Later, the Failed Lessons From the Fail Mary - The Ringer
Breaking down 4 of Dan Campbell's risky moves during Chiefs game -- did he make right calls?
Super Bowl Refs: Bill Vinovich heads Super Bowl LIV Officiating Crew - Sports Illustrated
Who are the Super Bowl 2019 officials and how were they chosen?