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College Football Rule Changes: Quicker Replays, Zeros on Jerseys and Social Distancing - The New York Times
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NFL passes jersey number expansion rule, meaning more single digits are coming - Acme Packing Company
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College Sports Design on Twitter: "New #NCAA uniform rules Entire knee must be covered Stomach may not be exposed Back plate may not be exposed T shirt may not protrude below jersey @
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NFL rule proposal would allow more players to wear single-digit numbers like in college football - masslive.com
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NFL jersey numbers: Here's a running list of players who have decided to make a switch beginning in 2021 - CBSSports.com
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