Which XFL rules should the NFL consider stealing? - ESPN
NFL owners table rule change proposals including onside kick alternative, NFL News
Rules review video: Targeting, replay tools, and an experiment with the kickoff line – Football Zebras
What Can Player Tracking Data Tell Us About the Onside Kick?
NFL's proposed new onside kick rule explained, and why Patrick Mahomes likes it
The Art of Onside Kicking Has Been Reborn - The Ringer
NFL kickoff rule change could actually make them more exciting
Rapoport] The NFL has passed a new rule instituting all fair catches and touchbacks come out to the 25-yard line on kickoffs, source said. Now the same as the college rule, the
The backstory behind the Cowboys' unlikely onside kick - Sports Illustrated
NFL fair-catch kick attempts – Quirky Research
2019 Super Bowl: The NFL's new kickoff rules, explained