1940 NFL Championship Game won 73–0, the most one-sided victory in NFL history. The game was broadcast on radio by Mutual Broadcasting System, the first NFL title game broadcast nationwide. Washington had defeated Chicago 7–3 in a regular season game three weeks earlier in Washington. After the contest, Redskins owner George Preston Marshall told reporters that the Bears were crybabies and quitters when the going got tough. As the Bears prepared for the rematch, Chicago head coach George Halas fired up his team by showing them newspaper articles containing Marshall's comments. Before the game, Halas's friend Clark Shaughnessy, who was concurrently coaching the undefeated
2006 Chicago Bears–Arizona Cardinals game St. Louis Cardinals (the team was also briefly known as the Phoenix Cardinals). Earlier in the year, in the preseason, the Cardinals defeated the Bears at Soldier Field 23–16 in a Friday night game. The Bears were having a great season, being undefeated heading into the game at 5–0, having their best start to the season since 1989, having committed only 5 turnovers all season and averaging an NFL-best 31.2 points per game, and scoring 156 points compared to allowing only 36 points. This was the Bears' first Monday Night Football appearance since 2003. The Bears' 3rd year coach Lovie