Who is big-time Kentucky Derby bettor 'Mattress Mack'?
Jim 'Mattress Mack' McIngvale on Betting Plans for Kentucky Derby
Kentucky Derby: Mattress Mack to place seven-figure wager
Mattress Mack Loses $1.2 Million on Kentucky Derby Bet
Kentucky Derby 2023: Horses odds, predictions & posts
Kentucky Derby betting: Man puts $1.3M on favorite Essential Quality
Kentucky Derby 2022: Jim “Mattress Mack” McIngvale Is Back
Mattress Mack' to place biggest bet in Kentucky Derby history
Cameras Caught Mattress Mack's Face After His Horse Loses
See who 'Mattress Mack' bet for the 2022 Kentucky Derby