Topline. Texas furniture kingpin Jim McIngvale better known as Mattress Mack  won $75 million on Saturday after his bet that the Houston Astros would win the World Series paid off, taking home what is believed to be the largest payout in legal sports betting history.

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For example, Bet365 was taken to court for refusing to pay over 1 million in winnings to a horse bettor in Northern Ireland in 2024. The company refused a payout of 54,000 to a customer in England in 2024, a case which was still ongoing in 2024.

Winning too much\n\n So, if you're on a lucky streak, you might find that Bet365 restricts the size of the bets you can place to avoid significant losses for the company. Similarly, if Bet365 suspects you are a professional gambler, they may restrict your account for the same reason.