Super Bowl LVII officiating crew by the numbers – Football Zebras
A Painful Lesson for the Chiefs: It's Hard to Repeat as Champions - The New York Times
NFL's next dynasty? Patrick Mahomes and Kansas City knocking on door to exclusive club - Newsday
How Repeat Super Bowl Champions Became a Thing of NFL's Past, News, Scores, Highlights, Stats, and Rumors
On the Chiefs' tough path to repeating as Super Bowl champs
Can Tom Brady and the Buccaneers repeat as Super Bowl champions?
It's Really Hard to Win a Super Bowl
Thrills, chills, upsets: Arizona's first 3 Super Bowls had it all
Why We Don't See Super Bowl Repeats Anymore
After Further Review: Should the Patriots Stay the Course With New-Look Offense?