Betting the college football futures market can be daunting given all the year-over-year turnover at each program. What are keys to accounting for these changes entering 2021? Drew Martin of Wager Talk and Sports Grid joins The Power Rank's Dr. Ed Feng and numberFire's Jim Sannes to talk about his offseason research process, how many teams can realistically win the national championship, and his favorite futures bets at FanDuel Sportsbook.