Derby winner Medina Spirit collapses, dies in California

By BETH HARRIS AP Racing Writer

The 3-year-old colt whose Kentucky Derby victory in May came under scrutiny because of a positive drug test has collapsed and died after a workout at Santa Anita in Southern California.

Trainer Bob Baffert says Medina Spirit suffered a heart attack.

The colt had just completed five furlongs in his second workout since finishing second in the Breeders' Cup Classic a month ago at Del Mar.

The colt will undergo a full necropsy to try to determine the exact cause of death.

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