Mattress Mack' won't hedge or cash out bets on Astros to win $35.6M
Which states have the most online sportsbooks?
Texas salesman 'Mattress Mack' places $4.5 million in bets on Cincinnati Bengals to spring Super Bowl LVI upset - ESPN
Jim Mattress Mack McIngvale Places $2 Million on Houston Astros Sportsbook Betting World Series Odds - Sports Illustrated Inside The Astros
Mattress Mack' makes another $1M wager on Houston to win NCAA title, Betting
Sports betting conference takeaways -- Mattress Mack, offshore sportsbooks and match-fixing concerns - ESPN
Texas billionaire Mattress Mack bets on Houston at Beau Rivage
Mattress Mack gets $30M check from Caesars Sportsbook, largest payout in sport's betting history
Gambler 'Mattress Mack' wins $75m after betting on Astros to win World Series, World Series