Houston's 'Mattress Mack' places $3.5M bet on Astros to win World
Sports betting's best of the week: Mattress Mack at it again, props
'Mattress Mack' $3.5M Astros World Series Bet at Risk Today
How Much Did Mattress Mack Bet on the Bengals for the Super Bowl?
Mattress Mack Places Record-Breaking Super Bowl Bengals Bet
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Why Mattress Mack's Big Game wager isn't all about the money
Jim McIngvale, Houston's mattress king, bets $3.5 million on
UPDATE: Mattress Mack Loses $3 Million Bet on TCU