Technology Online Bet MGM, MLB partner for free-to-play app July 22, 2020 By Ezra Amacher Major League Baseball and BetMGM have introduced a free-to-play app ahead of the abbreviated 2020 season. The app, called Rally, gives fans the opportunity to win cash prizes by predicting outcomes of at-bats and games. Fans collect points by selecting the correct outcome. Top points earners will share a daily prize pool. Prize pools can reach at least $5,000. Chris Marinak, MLB executive vice president of strategy, technology, and innovation, said: “There’s no sports betting element in any of our apps. It is important we stick to gaming.” The MLB season begins Thursday with two Opening Day matchups.