Mattress Mack Bet 2025. Mattress mack, the astros superfan whose name is jim mcingvale, made history by winning $75 million on world series bets, believed to be the largest sports betting payout ever. The $3.5 million he bet on the astros to win that world series at the scarlet pearl casino in mississippi which was the largest wager in the state's sportsbook history.
See how much he stands to win if the astros. After winning more than $70 million on the astros last year, jim ‘mattress mack’ mcingvale is betting big on houston once again.