NFL kickoff variations through the years and how it compares to other leagues - The Athletic
Changing kickoff rules really isn't changing college football much
Why big changes to NFL kickoffs could be on the horizon - ESPN
NFL votes to try kickoff fair catch rule, hopes to reduce injuries in 2023
NFL preseason could be a good test of how teams approach the league's new kickoff rule - ABC News
Patriots among 5 teams to vote against new fair catch rule, per report - Pats Pulpit
NFL Rulebook NFL Football Operations
Patriots' Matthew Slater rips NFL's new kickoff rule
NFL takes another step toward eliminating kickoff returns - Pats Pulpit