NFL jersey number updates: Tracking which NFL players wear No. 0 - ESPN
Brian Burns changes jersey number to 0
NFL jersey number restrictions could change for running backs, receivers, tight ends, linebackers, defensive backs
Changing the COVID rules will help the NFL on the field, but will it be safe for players? - The Boston Globe
Uniform number (American football) - Wikipedia
Extended injury time, no dancing keepers: The Premier League's new rules, Football News
NFL Forward Handoff Rule and New Rules Changes 2023
Full list of NFL players switching to No. 0 jersey in 2023: D'Andre Swift, Brian Burns headline group
Football Jersey Numbers List
NFL jersey numbers: Owners approve rule change for 2021 - Sports Illustrated