Medina Spirit could lose Kentucky Derby win; track bans Baffert

John Velazquez riding Medina Spirit leads Florent Geroux on Mandaloun, Flavien Prat riding Hot Rod Charlie and Luis Saez on Essential Quality to win the 147th running of the Kentucky Derby at Churchill Downs on Saturday, May 1, 2021, in Louisville, Ky. (AP Photo/Jeff Roberson)

LOUISVILLE, Ky. — Medina Spirit’s victory in the Kentucky Derby is in serious jeopardy because of a failed postrace drug test, one that led Churchill Downs to suspend Hall of Fame trainer Bob Baffert on Sunday in the latest scandal to plague the sport.