NFL Football Operations on X: .@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
Tom Brady slams NFL's jersey number rule: 'Dumb'
NFL likely to pass rule allowing more single-digit jersey numbers
NFL owners pass rule expanding eligible jersey numbers for certain positions' - is this a big deal? Why? - Quora
NFL jersey number restrictions could change for running backs, receivers, tight ends, linebackers, defensive backs
Owners opt to tweak the rules and leave major changes on the cutting-room floor – Football Zebras
NFL rumors 2021: Proposed rule allowing more players to wear single digits 'likely to pass' (report)
Eagles submit proposal to NFL to add jersey No. 0: Source - The Athletic
NFL jersey number restrictions could change for running backs, receivers, tight ends, linebackers, defensive backs
New NFL Policy on Changing Jersey Numbers Contains Pricey Caveat - InsideHook
11 Saints players who could switch to college jersey numbers in 2021