Mattress Mack just blew $5M betting on the Bengals. Is Mattress Mack the worst bettor in the history of sports betting? - Quora
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Mattress Mack Bets $5 Million On Bengals To Win Super Bowl 56 Rams
Jim 'Mattress Mack' McIngvale backs Bengals to beat Rams in Super Bowl with huge record-breaking mobile bet
ONLY ON 2: Mattress Mack travels to Louisiana to make largest Super Bowl bet in history
Mattress Mack Places Record-Breaking Super Bowl Bengals Bet - Sports Illustrated
Super Bowl 56: Mattress Mack laid a $9.5 million jinx on the Bengals
Texas salesman 'Mattress Mack' places $4.5 million in bets on Cincinnati Bengals to spring Super Bowl LVI upset - ESPN
2022 Super Bowl betting: Houston store owner bets $5 million on Bengals over Rams
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Mattress Mack' sets bet record with $5 million on Cincinnati Bengals
Mattress Mack' makes $5M wager on Super Bowl, Betting
Businessman Jim 'Mattress Mack' McIngvale places $5 million bet on Bengals to win Super Bowl LVI - ESPN