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NFL Football Operations on Twitter: ".@NFL owners approved a rule change proposed by the @Chiefs expanding jersey number options for certain positions. Check out the full list of 2021 rule changes: https://t.co/tUVdEzpAXs
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Proposal Would Allow College Football Players To Wear No. 0 – SportsLogos.Net News
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Single-Digit Jerseys Should Be the NFL's Most Exclusive Club - The Ringer
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NFL Football Operations on Twitter: "Take a look at specific examples of @NFL uniform & equipment rules/violations for each team: https://t.co/u3DdAe5QyG https://t.co/uWNOC8JKzp" / Twitter
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NFL passes expanded jersey number rule - ProFootballTalk
NFL jersey number rules, explained: Why these players changed numbers for 2021 season | Sporting News
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NFL owners pass rule expanding eligible jersey numbers for certain positions
New NFL jersey rules could entice 49ers to make number changes - NBC Sports Bay Area
New NFL jersey numbers, explained: What to know about league's rule change for 2021 | Sporting News
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New NFL jersey rules let some players pick new numbers — if they pay - Marketplace