Super Bowl 2020 referee, officials: Who is assigned to 49ers vs. Chiefs?
Should Professional Sports use Replay?, by Matthew Schoenemann
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NFL creates new officiating post: VP of replay and administration – Football Zebras
NFL will open season with replacement officials
NFL head of officiating Dean Blandino resigns
Referees group has agreement with NFL on coronavirus protections – The Denver Post
NFL Approves Expanded Authority for Replay Officials Ahead of 2021 Season, News, Scores, Highlights, Stats, and Rumors
Surface tablets for officiating reviews takes hold in NFL
NFL assembles all-Black officiating crew for first time – The Denver Post
NFL could see increase in video-replay usage in 2023
How NFL replay reviews are changing: R.I.P 'hood,' hello tablet - ESPN - NFL Nation- ESPN
Five on-field, two replay officials opt out of 2020 season
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