He's a guy you've got to root for.
Sprinter Tyson Gay is the second fastest man in the world and has beaten Usain Bolt before, but injury woes have kept him from his dream of Olympic gold.
At 29, the soft-spoken Kentucky native will have a final shot at the top of the medal stand this summer in London. Still rehabbing from hip surgery and trying to get back to full speed before the U.S. Olympic trials, Gay has become a fascinating figure to follow as he prepares to compete in track's most glamorous event.
Here are 10 things you should know about Tyson Gay as he heads towards glory or heartbreak. Either way, it will be a run you can't look away from...