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Four NFL teams have not played in a Super Bowl: Cleveland Browns, Detroit Lions, Houston Texas and Jacksonville Jaguars.
Last year's Super Bowl between the New York Giants and New England Patriots was the most-watched Super Bowl with 113.3 million viewers.
The San Francisco 49ers, with a 5-0 record, are the only team to appear in more than one Super Bowl without losing.
Four franchises have lost four Super Bowls: Buffalo Bills (0-4), Minnesota Vikings (0-4), Denver Broncos (2-4) and New England Patriots (3-4).
The Oakland/Los Angeles Raiders and Baltimore/Indianapolis Colts are the only franchises to win Super Bowls representing different cities.
The Hass Avocado Board says 71.4 million pounds of avocados -- that's 142 million avocados -- were consumed during last year's Super Bowl.
According to the American Institute of Food Distribution, Super Bowl Sunday ranks behind only Thanksgiving Day for the day with the highest food consumption in the United States.
A National Restaurant Association survey found these to be the highest-ranked "must have" foods during a Super Bowl: 1.) Salsa/dips/spreads (69 percent); 2.) Chicken wings (63); 3.) Pizza (61); 4.) Desserts (50); 5.) Subs/sandwiches (49).
Seventeen of the 46 Super Bowls have been decided by seven points or fewer.
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