How William 'Refrigerator' Perry changed football - Banner Society
How William 'Refrigerator' Perry changed football - Banner Society
Super Bowl Props: How These Side Bets Became So Popular - PROPS
How Refrigerator Perry started a national phenomenon
How Refrigerator Perry started a national phenomenon
How William 'The Refrigerator' Perry started the Super Bowl prop bet craze
William 'The Refrigerator' Perry's Super Bowl touchdown remembered, NFL News
The Craziest Prop Bets of All Time
How William 'Refrigerator' Perry changed football - Banner Society
Weirdest Super Bowl betting phenomenon: The popularity of the coin toss bet
Super Bowl props get bettors' attention at Las Vegas sportsbooks
Super Bowl props get bettors' attention at Las Vegas sportsbooks
55 things to know about Super Bowl betting (from back then to right now) - Las Vegas Weekly