One of the U.S.’s most decorated downhill skiers, Lindsey Vonn, revealed she almost had to have her leg amputated because of a life-threatening condition.

Lindsey Vonn says her left leg almost needed to be amputated following her horrific crash while competing at the Milan-Cortina Olympics this month.

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...