Deputed Testimony had lived out his post-racing days in rural Maryland and died at Bonita Farms, a stable in Darlington, Md., The Baltimore Sun reported.
Considered a long shot in the race, Deputed Testimony went off at 14-to-one odds, but navigated a muddy track on a rainy day at Pimlico and won the Prekness by a head. He would go on to win 11 more times in his 20-race career, earning his owners the Bonifice family more than $600,000 in purses.
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