In a note to owners and friends on Sunday, Lukas Enterprises announced D. Wayne Lukas, 89, declined an aggressive treatment plan and will be under home hospice care.

Upon news of D. Wayne Lukas' retirement from his Hall of Fame training career, the horse racing industry took to social media to pay tribute

D. Wayne Lukas, 89, is at home after being hospitalized in Louisville. A severe MRSA blood infection caused significant damage to the thoroughbred trainer's heart, digestive system and worsened preexisting chronic conditions, according to a statement from the Lukas family.