http://www.mycokerewards.com/instant-wins/mcr-ncaa-march-madness-game-at-kroger/50968 click section 5c in the rules for free entry
Eligibility: You must be a legal resident of Alaska, Alabama, Arkansas, Arizona, California, Colorado, District of Columbia, Georgia, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Michigan, Mississippi, Missouri, Montana, North Carolina, New Mexico, Nevada, Ohio, Oregon, South Carolina, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, or Wyoming to enter.
2,000 Prizes: A coupon valid for a free 20 fl. oz. Coca Cola beverage at Kroger fulfilled as a digital code loaded onto your Shopper’s Card.
Approximate Retail Value (“ARV”): $1.69.