New jersey numbers for players and other rule changes for 2021 - Hogs Haven
Evolution of the NFL Player
NFL Football Operation – Locker-Report
Top NFL players by jersey number: From Kyler Murray to Aaron Donald, a 1-99 ranking for the 2021 season
Uniform Inspections NFL Football Operations
Full list of NFL players switching to No. 0 jersey in 2023: D'Andre Swift, Brian Burns headline group
Several Broncos change jersey numbers ahead of regular season
NFL jersey numbers: Odell Beckham Jr., Stefon Diggs among 20 big names who could make switch under new rule
Number of women working in the NFL steadily rising
Single-Digit Jerseys Should Be the NFL's Most Exclusive Club - The Ringer
Ranking the NFL's best current players by jersey number, 0-99