Stone Farm’s homebred Gato Del Sol, who won the 1982 Kentucky Derby (gr. I) for Arthur B. Hancock III and Leone J. Peters, was euthanized Aug. 7 at Hancock’s Stone Farm near Paris, Ky. due to the infirmities of old age. The 28-year-old pensioned stallion was foaled and raised at Stone and was the first Derby winner to represent the Hancock family.

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https://www.bloodhorse.com/horse-racing/articles/158775/gato-del-sol-dead