The History of Parlay Cards: From Paper Slips to Online Sportsbooks
A Look Back at the Origins of Parlay Cards Parlay cards are a familiar part of sports betting today, but their story starts long before the world of mobile apps and online sportsbooks. Back in the day, they weren’t digital at all — they were printed slips of paper you’d find in corner bars, convenience stores, or passed around by bookies in the neighborhood. For a lot of fans, these little paper cards weren’t just […]