NFL jersey numbers: Here's a running list of players who have decided to make a switch beginning in 2021
New NFL jersey numbers, explained: What to know about league's rule change for 2021
Players who switched international teams and how they fared
Updated NFL Jersey Number Ranges - The Chicago Audible
Watch: Detroit Lions' OT, former Oregon Ducks' star Penei Sewell's jersey swap request gets turned down
NFL jersey number rule change could bring back some classic college football looks for Derrick Henry, Jalen Ramsey and others - ESPN
Tom Brady slams NFL's jersey number rule: 'Dumb
The unwritten rules of shirt swapping - The Athletic
Brian Burns changes jersey number to 0
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