Jim 'Mattress Mack' McIngvale backs Bengals to beat Rams in Super Bowl with huge record-breaking mobile bet
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Mattress hit on his head?: 'Mattress Mack' places record-breaking $4.5M bet on Bengals to win the Super Bowl
Texas salesman 'Mattress Mack' places $4.5 million in bets on Cincinnati Bengals to spring Super Bowl LVI upset - ESPN