NFL players can now wear No. 0 among rule changes
NFL Rulebook NFL Football Operations
NFL catch rule: Proposed changes could simplify process - Sports Illustrated
The ESPN Daily podcast -- How to listen, episode guide and more - ESPN
NFL Announces 2023 Rule Changes; Chargers Get Proposal Passed by Owners
NFL to consider radical replay question: Should coaches be allowed to challenge every single play?
NFL Approves Rule Change Allowing More Jersey Numbers For Certain Positions - CBS Boston
Reviewing the NFL's “Third Quarterback Rule” for 2023 - Behind the Steel Curtain
NFL likely to pass rule allowing more single-digit jersey numbers