US Olympic swimmer Michael Phelps holds an umbrella as he walks on the fourth hole during the first round of the Mission Hills World Celebrity Pro-Am golf tournament in Haikou, China's Hainan province October 20, 2012.[Photo/Agencies]

US Olympic swimmer Michael Phelps hits a fairway shot on the fourth hole during the first round of the Mission Hills World Celebrity Pro-Am golf tournament in Haikou, China's Hainan province October 20, 2012.[Photo/Agencies]