Horseplayers were up in arms last week over a controversial disqualification at previously under-the-radar Fonner Park during a $4.1-million pandemic-inflated Pick Five sequence. Off-the-beaten-path Will Rogers Downs is flirting with $10 million in weekly handle fueled largely by bettors who, prior to the coronavirus outbreak, would have had difficulty pinpointing that track on a map. Amid the dystopia triggered by racetrack closures nationwide, such rapt attention and robust wagering on the five Thoroughbred tracks still running (Oaklawn Park, Gulfstream Park, and Tampa Bay Downs are the others) could be viewed...