(via Justin Gatlin - U.S. Athletes To Watch In London - Photos - SI.com)
Following a four-year layoff — the result of a positive doping test — Gatlin has looked sharp. The 30-year-old defeated all of his American rivals at U.S. Trials and now has his sights set on Jamaicans Usain Bolt and Yohan Blake in the 100 meter, the event he won the gold medal in at the 2004 Games in Athens.
Read more: http://sportsillustrated.cnn.com/multimedia/photo_gallery/1207/2012-olympic-us-athletes-to-watch/content.5.html#ixzz21zJCOVbR