NFL to vote on changes to punts, kickoffs for safety
NFL players can now wear No. 0 among rule changes
Here are all the NFL rule changes for 2023 season – NBC Sports
American football - Wikipedia
From the NFL Owners Meetings: Approved 2023 Playing Rules, Bylaws
2023 NFL Rule Changes - October 4, 2023
Law 12 - Fouls and Misconduct
What NFL Rule Changes Are Under Consideration at the 2023 NFL
Mob rule: USFL and XFL revise touchback rule on fumbles to give