NFL: Here's Why We Don't See Kickoff Returns Anymore
Super Bowl LVI: Why you need to bet on the opening kickoff
Independence Day Magazine (Oct. 24, 2015) by Robert Morris University Athletics - Issuu
Highlight] Super Bowl MVP Desmond Howard's 99-yard kick return in Super Bowl XXXI : r/nfl
NFL approves new kickoff rules for 2018 season - Footballscoop
NFL: The Death of the Touchback May Be Greatly Exaggerated
The Kickoff Isn't Worth Saving, but the NFL Keeps Trying - The Ringer
NFL Kickoff Returns Down In Week 1 As League Inevitably Moves Toward Eliminating Play Entirely