Former PGA Tour golfer and current Oregon men's golf head coach Casey Martin underwent surgery to amputate his right leg above the knee because of a rare circulatory disorder.
Max Adler of Golf Digest reported the news Saturday. Martin's three-and-a-half-hour surgery occurred Friday, and he is currently recovering at the Mayo Clinic.
Martin has Klippel-Trénaunay syndrome, which the Mayo Clinic defines as follows:
"Klippel-Trenaunay (klih-PEL tray-no-NAY) syndrome u2015 also called KTS u2015 a rare disorder found at birth (congenital) involving abnormal development of blood vessels, soft tissues (such as skin and muscles), bones, and the lymphatic system.