Houston's 'Mattress Mack' sends Hurricane Harvey first responders
Mattress Mack' Bets $10M on Houston Astros to Win World Series
Mattress Mack drops $2 million bet on Astros to win World Series
Sports Betting and Horseplaying: Mattress Mack's Big Hedge
Famed Sports Gambler Jim McIngvale Is Against Legalized Sports
Houston's 'Mattress Mack' bet big on the Astros and could win
How did Jim Mattress Mack McIngvale get so much money?
Gambler 'Mattress Mack' to collect $4.3 million if Astros win
Who is this 'Mattress Mack,' and why does he do what he does
$75 Million Man Mattress Mack Floored by First Pitch Moment
Jim 'Mattress Mack' McIngvale says first pitch at Astros game
If Astros win World Series, gambler 'Mattress Mack' will earn
Mattress Mack reveals why Astros canceled his opening pitch last
Mattress Mack is four Astros wins away from record World Series payout