The injuries sidelined him until August 2011 and his world ranking dropped to 58th .
In 2011 , Tiger Woods was playing a shot from underneath the Eisenhower and damaged his left knee and Achilles tendon when he slipped on some pine straw .
The injuries sidelined Tiger Woods until August 2011 and Tiger Woods ' world ranking dropped to 58th .
In 2011 , Tiger Woods was playing a shot from underneath the Eisenhower and damaged his left knee and Achilles tendon when he slipped on some pine straw .