Chicago Bears played in 12 playoff games. The 1940 Chicago Bears team holds the record for the biggest margin of victory in an NFL game (playoff or regular season) with a 73–0 victory over the Washington Redskins in the 1940 NFL Championship Game. The largest home victory for the Bears came in a 61–7 result against the Green Bay Packers in 1980. The largest defeat in club history was a 52–0 loss against the Baltimore Colts in 1964. The club recorded undefeated regular seasons in 1934 and 1942, but (unlike the 1972 Dolphins) did not win the championship game in either season.
1967 NFL Championship Game employed in their sweep. Although the Packers and the Chicago Bears were arch-rivals, Lombardi's most passionate game planning was in preparing for Landry's "Flex". Saturday, on the eve of the game, NFL commissioner Pete Rozelle called Jim Kensil and Don Weiss, the executive directors of the NFL, for an update on the weather conditions. It is suspected that they informed him that Sunday's game time temperature of about 5° was playable. Rozelle, who in June 1966 had seen to it that the AFL-NFL Championship game would always be in a warm weather city, inquired if the game could be postponed