Asafa Powell is confident that history won't repeat itself at this year's IAAF World Championships in Daegu, South Korea.

Click below for the full article...

http://www.thesun.co.uk/sol/homepage/sport/olympics/3685222/Asafa-Powell-insists-he-wont-choke-again-this-summer-and-will-beat-Usain-Bolt-to-100m-glory.html