Single-Digit Jerseys Should Be the NFL's Most Exclusive Club - The Ringer
Is there a rule in the NFL that prevents a player from having a three digit jersey number? - Quora
NFL jersey numbers: Odell Beckham Jr., Stefon Diggs among 20 big names who could make switch under new rule
NFL Relaxes Restrictions on Jersey Numbers - The New York Times
NFL rule proposal would allow more players to wear single-digit numbers like in college football
Why some NFL players switched to single-digit jersey numbers - Sports Illustrated
2021 N.F.L. Rule Changes: A Viewer's Guide - The New York Times
16 NFL players who could get new jersey numbers after rule change
Tom Brady slams NFL's jersey number rule: 'Dumb'
New jersey numbers for players and other rule changes for 2021 - Hogs Haven
Full list of NFL players switching to No. 0 jersey in 2023: D'Andre Swift, Brian Burns headline group
The Atlanta Falcons are leading the run-first revolution in the NFL - The Falcoholic
Best player by jersey number for 2022 NFL season – NBC Sports Boston
NFL number changes: Players who have switched jersey numbers for 2023
NFL number changes: Players who have switched jersey numbers for 2023