China's Sun Yang arrives wearing headphones before competing in the men's 1500m freestyle final swimming competition at the Munhak Park Tae-hwan Aquatics Center during the 17th Asian Games in Incheon, in this September 26, 2014 file picture. [Photo/Agencies]

List of downs for the Chinese swimming cover boy and reigning Olympic and World 1500m freestyle champion in 2014:

Nov 2013: Detained for 7-day due to driving with no license

March 2014: End of suspension of national team membership

April 2014: Parted with 10-year-long coach Zhu Zhigen

Sept 2014 (Inchon Asian Games): Use of improper words during the Japanese anthem

Nov 2014: Unreported three-month doping ban revealed

Nov 2014: National Championship’s 1500m freestyle title striped due to doping scandal

Dec 2014: Ruled out from nomination list for the 2014 CCTV Sports Personality of the Year Award

List of ups in 2014:

Sept 2014 (Inchon Asian Games): 400m and 1500m freestyle gold