2023 March Madness: Jim 'Mattress Mack' McIngvale puts $4.05M on Houston to win NCAA Tournament | CBS Sports Headlines 2023 March Madness: Jim 'Mattress Mack' McIngvale puts $4.05M on Houston to win NCAA Tournament Everybody’s favorite sports bettor is getting in on the March Madness action ESN FeedsThis post was … Continue reading 2023 March Madness: Jim 'Mattress Mack' McIngvale puts $4.05M on Houston to win NCAA Tournament