Sports betting will soon begin at casinos run by the Pokagon Band of Potawatomi. The Pokagons have released the following:. The Pokagon Band of Potawatomi is pleased to announce that it received approval from the Michigan Gaming Control Board (MGCB) to launch online gaming and sports betting at its Four Winds Casinos. Michigan residents can begin playing online today at Participants must be 21 years or older and be located within the state of Michigan.