With most of the sporting world on pause, horse racing is one of the few remaining active sports we can bet. What do we need to know before we start dabbling in those waters? FanDuel Sportsbook's Director of Trading John Sheeran joins The Power Rank's Dr. Ed Feng and numberFire's Jim Sannes to discuss the basics of betting on horse racing and what impact COVID-19 has had on the sports-betting industry.