Mike DeWine says he considers signing legislation that allowed sports gambling in Ohio as his biggest mistake during his seven years as governor. DeWine signed legislation in December 2021 that legalized sports gambling statewide starting in January 2023. Related story: DeWine defends hemp beverage ban: Businesses knew the risksRelated story: DeWine admits Ohio is facing an energy crunch; What’s his plan to address it? But amid the popularity of sports gambling in Ohio, DeWine said the state of Ohio has spent several million dollars helping residents who have problems with betting on sports. State lawmakers have shown no indication they’re ready to pass any new sports-betting restrictions before DeWine leaves office early next year.