Uniform number (American football) - Wikipedia
NFL rule changes 2023: No. 0 jersey is back, personal foul penalties clarified, one date for roster cutdowns
NFL approves rule change on jersey number, nixes overtime shifts
NFL stars excited by zero jersey number rule change
NFL jersey number restrictions may change after team proposal
NFL jersey numbers: The best player to wear all 101 options
Greg Newsome II explains why he changed to No. 0
NFL players can now wear No. 0 among rule changes
NFL players can now wear No. 0 among rule changes
NFL uniform rules and regulations are strict, in a good way - Sports Illustrated
NFL jersey number restrictions could change for running backs, receivers, tight ends, linebackers, defensive backs
Tom Brady isn't a fan of the NFL's new number rule: 'Going to make for a lot of bad football'