Mattress Mack donates $500,000 to cancer research

Houston's Jim 'Mattress Mack' McIngvale closes in on unprecedented

Inside rise of 'Mattress Mack', the biggest Kentucky Derby bettor

Mattress Mack's Net Worth Is Astronomical & His World Series Bet

Mattress Mack stars in new PSA to spread facts, not fear about

Mattress Mack loads $10 million of Astros winnings into wheelbarrow

Mattress Mack donates $50,000 to Mary Lou Retton's hospital

Mattress Mack drops $13,000 on Kentucky Derby Future Wager

Mattress Mack' released from hospital after stroke scare

Jim 'Mattress Mack' McIngvale wins $75 million as Houston Astros

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