And now for something completely different. Half the year — even more in 2020 — this story has been about Kentucky Derby futures. This week — and this week only — it is about the Kentucky Oaks. For 54½ hours, starting at noon ET Friday and ending at 6:30 p.m. Sunday, American bettors have their only legal chance to get early action on the 3-year-old fillies that will race April 30. This is the week — actually more like the half-week — when Churchill Downs makes book on its only scheduled Oaks futures. It will run almost concurrently with its fourth pari-mutuel pool for the Kentucky Derby. (The Derby pool goes until Sunday at 6 p.m. EST, a half-hour before the Oaks pool closes.)