Choose the option to make a deposit using an OTT Voucher. Enter the unique 12-digit voucher PIN. Confirm your deposit. Your funds will be immediately available in your Topbet account.Topline. Texas furniture kingpin Jim McIngvale better known as Mattress Mack won $75 million on Saturday after his bet that the Houston Astros would win the World Series paid off, taking home what is believed to be the largest payout in legal sports betting history.
