Explaining the New NFL Kickoff & Helmet Rules for 2018
NFL adjusts fair-catch rule for kickoffs and safeties in 2023: What's next for kickoffs? - The Athletic
7 rules in sports that should be changed today
NFL kickoffs: How will new rules change game in 2018 season?
Kickoff fair catch rule meant to increase safety, but critics not so sure - Global Sport Matters
NFL kickoff variations through the years and how it compares to other leagues - The Athletic
Opinion Football Is Here to Stay - The New York Times
NFL season is 50 days away – here are 50 things to look forward to
A look at how the NFL's new kickoff rules have affected returns
Which XFL rules should the NFL consider stealing? - ESPN
ELF: New Rules Dramatically Change the Kickoff
Kickoffs, kickoff coverage and touchbacks - Mile High Report
NFL kickoffs: How will new rules change game in 2018 season?