NFL captains: 'C' patch comes with varied roles, responsibilities
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/cdn.vox-cdn.com/uploads/chorus_asset/file/16257137/yes_and_no.jpg "10 unwritten rules for not screwing up your NFL jersey number - SBNation.com")
10 unwritten rules for not screwing up your NFL jersey number - SBNation.com
N.F.L. Will Allow Six Social Justice Messages on Players' Helmets - The New York Times
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NFL 100: Greatest NFL players ever by jersey number
NFL Players Who Paid for Their Jersey Number — UNISWAG
Swapping jerseys after games all the rage among NFL players | The Seattle Times
NFL jersey number rules, explained: Why these players changed numbers for 2021 season | Sporting News
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NFL players are banned from exchanging jerseys after games
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The NFL's Ridiculous Uniform Policy, Illustrated - Battle Red Blog
Seven ways NFL players stay warm in frigid conditions - NFL
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Evolution of the NFL Player | NFL Football Operations
NFL 100: Greatest NFL players ever by jersey number
Uniform Inspections | NFL Football Operations
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The Best NFL Player to Ever Wear Patrick Mahomes' No. 15 Jersey
