Super Bowl 56: William Perry and the prop that started a betting craze
Super Bowl 56: William Perry and the prop that started a betting craze
Jimmy Vaccaro Isn't Excited About The Super Bowl
William 'The Refrigerator' Perry's Super Bowl touchdown remembered, NFL News
Super Bowl Props: How These Side Bets Became So Popular - PROPS
The 49 Most Iconic Super Bowl Moments of All Time
How William 'The Refrigerator' Perry started the Super Bowl prop bet craze
Super Bowl prop bets continue to gain popularity
How William 'Refrigerator' Perry changed football - Banner Society
How William 'Refrigerator' Perry changed football - Banner Society