Bill Dodd (D-Napa) and Assemblyman Adam Gray (D-Merced) introduced a bill that would also put a sports betting measure on the 2020 ballot. The filing of papers for an initiative supported by 18 tribes led by the Pechanga Band of Luiseño Indians comes just four months after state Sen. Betting on Lakers and Rams games would be legal in California under an initiative proposed Wednesday by a coalition of Native American tribes that want a piece of the action.