Every Michigan Betting Promo Code for March Madnessby ActionNetworkMarch 20, 2022March 20, 2022See how you can claim a $200 on a 3-pointer just by betting $10 on Michigan State-Duke, plus more Big Tournament promos. Tags:Sports Betting News Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.