The Browns had won the Eastern Conference with a record of 9-2-1 while the Lions had to play a playoff game against the San Francisco 49ers in the previous week.
While the Lions were without injured starting quarterback Bobby Layne, backup QB Tobin Rote filled in admirably, throwing four touchdown passes, completing 12 of 19 passes for 280 yards, and running in for another touchdown.
1 – From 1966 to 1969, the first four Super Bowls were "World Championship" games played between two independent professional football leagues, AFL and NFL, and when the league merged in 1970 the Super Bowl became the NFL Championship Game. 2 – Dates in the list denote the season, not the calendar year in which the championship game was played. For instance, Super Bowl XLI was played in 2007, but was the championship for the 2006 season.