NFL changes overtime rule to allow both teams to gain possession of the ball
Chiefs proposed NFL playoffs OT rules changes before beating Bills
Does the NFL need to change its overtime rules? : NPR
What Are New NFL Playoff Overtime Rules?
Chiefs-Bills shows why NFL must change unfair overtime rule
NFL won't change overtime rules despite Chiefs' push for both teams to get possession
NFL approves change in overtime rules for playoffs
Sports Take: NFL needs to change overtime rules
NFL won't change overtime rules despite Chiefs' push for both teams to get possession
Chiefs vs. Bills classic: NFL overtime rule under attack after Kansas City walks off on first-possession TD
NFL overtime rules could be changed at owners' meetings - Los Angeles Times