Mattress Mack says he places sports bets for business, not fun
Mattress Mack Wins Big If Houston Astros Win the World Series
Mattress Mack gets $30M check from Caesars Sportsbook, largest
Meet one of the world's biggest racing punters who earns millions
Mattress Mack Talks Betting MILLIONS $$$$ on TCU
Mattress Mack Jim McIngvale Wins $75 Million on World Series Bet
Mattress Mack' scores $75 million payday with Astros' World Series
Famed Sports Gambler Jim McIngvale Is Against Legalized Sports
The man behind Mattress Mack: salesman, gambler… introvert