With the Tokyo 2020 Olympics now starting, we have a heaping of new sports to bet. What do we need to know before diving into those markets? Drew Dinsick of the Bet the Edge podcast joins The Power Rank's Dr. Ed Feng and numberFire's Jim Sannes to preview the games, discussing his read on the medals market, where to find data for individual sports, and where we can find value in men's and women's swimming.