Mary Lou Retton's biggest donor is famed mattress dealer, Trump supporter
Mattress Mack Eyes A Record $75 Million Payday If The Astros Win The World Series
Mattress Mack World Series bets could net him $75 million
Texas mattress mogul bets big in N.J. for World Series promo - WHYY
Mattress Mack is upbeat after losing $7 million Super Bowl bet, but is it legal? - CultureMap Houston
Mattress Mack' bets another $1 million on Astros win
Astros fans petition for Mattress Mack first pitch in Game 6
Mattress Mack flies to Iowa, Vegas to drop $4M in Astros bets
Jim 'Mattress Mack' McIngvale: Business, Bets and Giving Back