D. Wayne Lukas’ horses have been transferred to assistant trainer Sebastian “Bas” Nicholl, who has been part of Lukas’ team since 2002.

Hall of Fame horse trainer D. Wayne Lukas is gravely ill and has retired immediately. The Lukas family issued a statement Sunday that said the 89-year-old had been hospitalized with a severe infection and declined to go through the "aggressive treatment plan" doctors in Louisville, Ky., had outlined.

Hall of Fame trainer D. Wayne Lukas, who saddled four Kentucky Derby winners among his 15 winners of US Triple Crown races, has been hospitalized with a severe infection and won't return to training,