How Mattress Mack will bet $3 million on Kentucky Derby 2022 - Horse Racing Nation

McIngvale will bet $3 million on a Kentucky Derby favorite. Which horse is that?

Mattress Mack already has some money tied up in Kentucky Derby 2022 futures bets on Smile Happy, the colt sired by his stallion Runhappy. That is not, however, where he will make his biggest wager … [+5562 chars]

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