Lindsey Vonn says she nearly had her leg amputated after she fractured her tibia while competing in the downhill at the Milan Cortina Winter Olympics on Feb. 8.

American skier Lindsey Vonn says she nearly lost her left leg following a frightening crash in the women’s downhill at the Milan Cortina Olympics.

Vonn, the 2010 Olympic champion and second most successful female World Cup skier of all time, credited Dr. Tom Hackett, who works for Team USA and who she said was only in Cortina because she was com...