NFL: Owners mull cut of regular-season overtime to 10 minutes
Dolphins owner Stephen Ross voted for kickoff rule change
The NFL has changed the kickoff rule to limit more returns - Pride Of Detroit
NFL owners adopt new rules for kickoffs - The Boston Globe
2023 NFL owners meetings to consider multiple rule changes
2020 Rules Proposals NFL Football Operations
NFL Clubs Approve Rule Changes For 2019, Including Making Pass Interference Reviewable
NFL owners meetings will have replay, kickoff rules at top of docket
NFL replay and playoff expansion are on the agenda for league meetings - Sports Illustrated