Sochi Olympic champion Sandro Viletta retires with injury
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CHUR, Switzerland — Olympic champion Sandro Viletta has retired from skiing because of persistent injuries. The 32-year-old Swiss racer says he no longer has full confidence in his skiing after twice rupturing knee ligaments in the past two years. He won the Olympic super-combined at the 2014 Sochi Games ahead of Ivica Kostelic, who took