Daily Racing Form | Prominent Calif. thoroughbred owner-breeder Mace Siegel dies of heart failure ... Washington Post Mace Siegel, a prominent owner and breeder of thoroughbreds in California and a developer of retail shopping malls, has died of heart failure. He was 86. He died Wednesday at his home in Beverly Hills, officials at Santa Anita Park said Thursday. ... SANTA ANITA STABLE NOTES (Thursday October 27, 2011) |