IMO, Pete Rozelles most disasterous decision as NFL Commisioner was coining the phrase "Super Bowl" - as to suggest that all Football that was played in the 50 years previous were somehow less important or less significant. The NFL actually has a very rich history and its astounding that it continues to ignore it.
The Super Bowl name was created by Lamar Hunt, not Pete Rozell. The Super Bowl name came about because his Texas-born daughter was playing with her high-bounce ball one day in the late 1960s. "That's my super ball," she said in her Texas twang. Hunt was smitten with the idea and submitted the name Super Bowl to his fellow owners.
"It gives the game more dignity," he told them.
It wasn’t until 1969 and the third game that the Super Bowl name was adopted, and the first two games were retroactively referred to as Super Bowls I and II. Super Bowl III featured another traditional NFL power, the Baltimore Colts, facing off against the AFL upstart New York Jets. Even though the Colts were heavily favored, having lost only once through the regular season and NFL playoffs, Jets quarterback Joe Namath guaranteed a win at a pregame event in Miami – and then followed through, bringing the AFL its only Super Bowl crown before becoming the merged American Football Conference (AFC).