An Indianapolis Colts betting deal with Caesars Entertainment and William Hill marks a new way for football fans to engage in sports betting this season in Indiana. The agreement means that Caesars Rewards will sponsor a free-to-play “Pick 6 Predictor” game on the Colts Mobile App. The Pick 6 Predictor generates a series of questions and fans predict the outcome prior to games. Correct picks are rewarded with weekly prizes. Once the game receives approval from regulators, the “Caesars Sports Book by William Hill” app will integrate it into the Colt’s media and marketing efforts, bringing exclusive offers and promos…