From Forbes,
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.
Key Facts
McIngvale, who threw out the ceremonial first pitch to start Saturday’s series-ending game, bet $10 million in May that the Astros would win the World Series, in a handful of wagers with an average of 7.5-1 odds....
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"If Astros win World Series, gambler will earn record payout"
