Jim McIngvale, Houston's mattress king, bets $3.5 million on Astros - The Washington Post
Mattress Mack exposes himself as hypocrite as Texas moves to legalize sports betting
Houston furniture store owner hedges promotion with bets on Astros
Mattress Mack' makes another $1M wager on Houston to win NCAA title, Betting
Mattress Mack' collects $40M of his record winning bet in Las Vegas, Betting
Jim Mattress Back McIngvale is at it Again! - K-Star Country FM 99.7 KVST
World Series: 'Mattress Mack' swears at Philly hecklers over his $10M Astros bets - MarketWatch
Mattress Mack bets big on Cowboys over 49ers
Texas mattress mogul bets big in N.J. for World Series promo - WHYY
Mattress Mack gets $30M check from Caesars Sportsbook, largest payout in sport's betting history
Mattress Mack poised for historic $75M payout after $10M World Series bet
Mattress Mack could win $75 million if Astros win World Series - CBS News
World Series: 'Mattress Mack' swears at Philly hecklers over his $10M Astros bets - MarketWatch