NFL Bills-Chiefs playoff ending shows need for rule overhaul
Los Angeles Memorial Coliseum - Wikipedia
NFL overtime rules changed for playoffs, ensuring shot for each team
NFL approves overtime change for playoffs only: 'Overtime is
The NFL's overtime rules are fine the way they are. Don't change them
NFL approves overtime rule change - Sports Illustrated Las Vegas
NFL changes much-criticized overtime rules for playoffs
NFL changes overtime format only for playoff games - The
NFL agrees to alter overtime rules — for the postseason only