Super Bowl prop bets continue to gain popularity
The history of Super Bowl prop betting
Super Bowl betting - The unlikely play that can swing millions of dollars - ESPN
History of Prop Bets & Several Promising Props for Super Bowl 56
How William 'The Refrigerator' Perry started the Super Bowl prop bet craze
Super Bowl 2023: Prop Bets worth paying attention to during bye week
In Las Vegas, Putting a Lot on the Line for the Super Bowl - The New York Times
Why Do We Have All The Fun Super Bowl Prop Bets? Thank Chicago Bears William Refrigerator Perry!
How William 'The Refrigerator' Perry Changed Sports Betting - The Atlantic
USFL Championship Picks (Ep. 1665) - Sports Gambling Podcast
Super Bowl Props: How These Side Bets Became So Popular - PROPS
A William Perry Super Bowl Prop Made Sports Betting History
The ESPN Daily podcast -- How to listen, episode guide and more - ESPN