Worst Rule Changes in NFL History
Chiefs' jersey-number rule change passes NFL ownership vote - Arrowhead Pride
NFL Announces 2023 Rule Changes; Chargers Get Proposal Passed by Owners
Centralized instant replay among NFL rule changes adopted by owners - Newsday
NFL rule changes include players now being able to wear No. 0, and tripping penalties being personal fouls - Dawgs By Nature
NFL rule changes 2019: Teams want instant replay and overtime changes, NFL, Sport
The 'Peyton Manning rule' and chop block bans among proposed NFL rule changes - Mile High Report
NFL approves 2 rule changes; postseason OT altered
Breaking down the NFL's overtime rule and why fans want to see it changed
2023 NFL overtime rules: Regular season vs playoffs
NFL rule changes: Modified instant replay, more positions allowed to wear single-digit jerseys - The Washington Post