Super Bowl Prop Bets, Proposition Betting
How William 'Refrigerator' Perry changed football - Banner Society
Super Bowl props get bettors' attention at Las Vegas sportsbooks
How William 'Refrigerator' Perry changed football - Banner Society
Why Do We Have All The Fun Super Bowl Prop Bets? Thank Chicago Bears William Refrigerator Perry!
How William Perry's TD Rumble 35 Years Ago Sparked Super Bowl Prop Betting
The history of Super Bowl prop betting
55 things to know about Super Bowl betting (from back then to right now) - Las Vegas Weekly
Behind the Bet: The Prop That Forever Changed Super Bowl Wagering
Behind the Bet: The Prop That Forever Changed Super Bowl Wagering
William 'The Refrigerator' Perry's Super Bowl touchdown remembered, NFL News
Super Bowl prop bets continue to gain popularity
How William 'Refrigerator' Perry changed football - Banner Society
Super Bowl Prop Bets, Proposition Betting
Super Bowl 2023 odds: Recounting the history of Super Bowl prop bets