Lindsey Vonn plans Olympics comeback despite ACL injury Three-time Olympic medalist Lindsey Vonn discusses her plan to compete in the Winter Olympics despite rupturing her ACL. Sports medicine expert Dr. Rick Lehman assesses her chances and the risks involved, noting her mental toughness. NEW You can now listen to Fox News articles! Olympic gold medalist Lindsey Vonn was back to training just days after she "completely ruptured" her ACL in a crash, a setback that came only a week before the U.S.