The Houston Astros have made "Mattress Mack" the biggest winner in sports gambling history. "It's better to be lucky than good and I got lucky," Mack told the Action Network.

SportyBet's Record-breaking Bets and Their Biggest Payouts\n\n Not long ago, SportyBet, a major Nigerian bookmaker, had the highest payout limit of 10 million naira. Over time, this limit increased to 20, 30, and 40, and now stands at 50 million (naira).