Super Bowl XXI, American Football Wiki
Focus On: 50 Most Popular Super Bowl: Super Bowl XLIX, Super Bowl
Denver Broncos - Wikipedia
Super Bowl XLVIII - Wikipedia
Super Bowl XXXIII - Wikipedia
A Look Back: A Few of the Greatest Super Bowl Performances by Wide
Super Bowl XXIX - Wikipedia
Elway retires as a champion after Super Bowl XXXIII
List of Super Bowl champions - Wikipedia