Biggest Sports Betting Events across The World In 1992, Congress enacted the Professional and Amateur Sports Protection Act, which banned gaming on sports everywhere in the United States except for Nevada. For 25 years, sports wagerers had to either fly to Las Vegas to legally place their wagers or wager illegally with offshore bookmakers. A tough thing to consider those who liked a wager, particularly when legal wagering sites were freely available in many other countries around the globe. Everything changed in 2018, when the Supreme Court reversed the gaming restriction at the federal level, paving the method for states to enact brand-new betting laws around the country. Slowly however surely, states began to legalize sports betting, starting with New Jersey online sportsbooks. Soon 30 U.S. states and Washington D.C. had legalized sports wagering in some style following the landmark court ruling, including 17 states enabling online sportsbooks. Americans plainly had a thirst to wager on sports as the managed sports betting market in the U.S. swelled to $4.33 billion of overall profits in 2021, according to the American Gaming Association. With the appeal of sports wagering throughout the U.S., OLBG assembled 5 of the most bet-on sporting events in the world after investigating information from across the internet, including news reports and news release. For fans of sports betting, this list won't be that surprising, but the amount of money bet on these events may come as a bit of a shock. March Madness With 67 total video games to wager on over a three-week duration, March Madness, the NCAA's annual men's college basketball competition, is one of the most heavily wagered-on sporting occasions on the planet. And the numbers are staggering. Before the tournament in 2022, betting price quotes by the American Gaming Association forecasted more than 45 million American adults would wager upwards of $3.