Jim 'Mattress Mack' McIngvale says first pitch at Astros game canceled due to interference from national competitor
Mattress Mack Looked Distraught While Losing His Astros Bet
Mattress Mack Set to Wager About $4M at Kentucky Derby - BloodHorse
Why Mattress Mack Doesn't Want Texas Sports Betting
Mattress Mack Experiencing Buzz Like Never Before From Astros World Series Bets
Mattress Mack' makes largest bet in history on Rams vs Bengals Super Bowl 56
You could say Mattress Mack had a pretty good night. : r/mlb
Mattress Mack-Backed Group at WPT Choctaw Fixing Image of Poker Stables
Famed Sports Gambler Jim McIngvale Is Against Legalized Sports Gambling