The announcement came after more than two years of legal wrangling about a 2021 deal with the state that allowed the Seminoles to offer online sports betting anywhere in Florida and add craps and roulette to their casinos. Seminole Tribe leaders on Wednesday announced a plan to roll out sports betting at their casinos in December - a first step in what could be a major expansion of gambling in Florida triggered by a go-ahead from the U.S.