August 28, 2009 - Shawn Crawford (USA) crosses the finish line first in the 100 meter preprogram race during action at Letzigrund Stadium at Weltklasse Zrich in Zurich, Switzerland.

Darvis Patton of the United States, left, takes the baton from Shawn Crawford during the Men's 4x100m relay first round during the World Athletics Championships in Berlin on Friday, Aug. 21, 2009. (AP Photo/Michael Probst)

Darvis Patton of the United States, left, takes the baton from Shawn Crawford during the Men's 4x100m relay first round during the World Athletics Championships in Berlin on Friday, Aug. 21, 2009. The U.S. team was disqualified Friday ...

epa01833431 US sprinter Shawn Crawford (R) hands over the baton to Darvis Patton during the 4x100m heats at the 12th IAAF World Championships in Athletics, Berlin, Germany, 21 August 2009. EPA/KAY NIETFELD