Jim Mattress Mack McIngvale talks medicine, philanthropy and Hurricane Harvey - TMC News
How did Jim McIngvale (Mattress Mack) become so successful with his business? - Quora
Mattress Mack seeks to cover his bases with big wagers on the Astros
Jim McIngvale Net Worth
Mattress Mack' to share his betting experience and insights at SBC Summit North America - SBC Americas
Who is this 'Mattress Mack,' and why does he do what he does?, Betting
Mattress Mack stands to win $75 million if the Houston Astros win the World Series - VSiN Exclusive News - News
Who is this 'Mattress Mack,' and why does he do what he does?, Betting
Astros fans petition for Mattress Mack first pitch in Game 6