NFL considering several major rule changes for 2023: Touchbacks could be modified on both punts and kickoffs
A look at how the NFL's new kickoff rules have affected returns
NFL makes change to kickoff rule for player safety, but not everyone likes it - The Boston Globe
NFL eying new, major kickoff rule changes
Kickoff fair catch rule meant to increase safety, but critics not so sure - Global Sport Matters
John Harbaugh Expects 'Unintended Consequences' From Kickoff Rule Change
NFL onside kick rules: Explaining the kickoff changes & why recovery percentage has tanked
The NFL's rule tweaks are saving the kickoff from extinction - ESPN - NFL Nation- ESPN
New NFL Kickoff Fair Catch Rule for 2023 Explained - HowTheyPlay
NFL kickoff rule: Here's what changed in 2018 and what it means
The NFL Is Botching Kickoff Returns