United States Football League (2022) - Wikipedia
NFL Approves Expanded Authority for Replay Officials Ahead of 2021
Overtime options highlight 2022 rule change proposals
2023 NFL Rule Changes Proposed Including 4th-and-15 'Onside Kick
The 'Peyton Manning rule' and chop block bans among proposed NFL
NFL coaches even swayed this skeptic in fight to change pass
Upon further review, NFL's replay system could remain intact - The
2023 NFL rule changes explained
2023 NFL rule changes explained