Jim 'Mattress Mack' McIngvale bets $2 million for Astros to win World Series
Genius Sport is bowled over by potential of America's betting market
Mattress Mack' drives from Texas to Louisiana to place $4.5million bet on Bengals winning
Jim McIngvale - Wikipedia
Houston, Texas businessman bets on Bengals in Super Bowl LVI
Super Bowl 2022: 'Mattress Mack' bets $4.5M on Bengals in Louisiana
Someone Placed a Record-Setting Super Bowl Bet From…
Mattress Mack' bets more than $4.5M on Bengals to win Super Bowl LVI
NFL super fan places record-breaking £3.3m Super Bowl bet - but his record isn't great - Daily Star