A worldwide partnership between Entain and MGM Resorts International owns and operates the BetMGM Casino (and other brands we’ve covered in our online casino reviews). The BetMGM online casino offers various bonuses, including a 100 deposit matchup to $1,000and a$25 no-deposit bonusfor new players in MI, NJ, and P.A. There can be criminal consequences for violating Ohiorsquos sports betting laws. For example, it is a felony to bet on a sporting event under age 21 or to help someone under age 21