25, 2023: Michigan's September sports betting handle doubles the previous month's total. 14, 2023, with online sports betting going live in 17 U.S. 2, 2023: ESPN BET plans to launch on Nov. This timeline highlights milestones in MI sports betting history: In-person betting has been permitted since March 2020. In December 2019, Michigan Governor Gretchen Whitmer signed off on the Lawful Gaming Act, which allowed nearly every type of online gambling provider in the state to apply for a license.