Almost all forms of online gambling are legal in Michigan. To bet on esports, you need to register with one of the online sportsbooks. Michigan has legalized sports betting as of March 2020. Mobile sports betting goes live early 2021. Online casino in Michigan will also be allowed. You will also find they have a lottery, over 20 casinos, and some use of daily fantasy sports: William Hill, Unibet, Pointsbet, bet365, BetMGM, Betrivers/SugarHouse, TheScore, Betfred, Betway, SBK, Draftkings, Fanduel and more sites in 2021.