Celebrities DeAngelo Williams (NFL, WWE) and Chris Kirkpatrick (N’SYNC) were among the first patrons to place wagers at The Book at the Horseshoe, and many state officials and industry luminaries were also on hand for the inaugural wagering session. The Horseshoe Tunica sportsbook launched on August 13, 2018, just two weeks after Mississippi’s first betting sites went live. That’s why it took nearly three more months post-PASPA for MS to offer legal sports betting to its millions of casino-going residents and visitors. However, the region’s casinos all played it safe, delaying their own investments to build out their sports betting lounges until the law was officially struck down. Acting preemptively, the MS legislature stealthily legalized sports betting back in 2017, pending a PASPA overturn or appeal. PASPA, the Professional and Amateur Sports Protection Act of 1992, was overturned by the Supreme Court on May 14, 2018. When Did The Horseshoe Tunica Sportsbook Launch?