Gay of the U.S. races off after receiving the baton from teammate Spearmon during the men's 4 X 400m...
Tyson Gay (2nd L) of the U.S. races off after receiving the baton from teammate Wallace Spearmon (L) during the men's 4 X 400m relay race at the Weltklasse Diamond League meeting in Zurich August 30, 2012. REUTERS/Michael Buholzer (SWITZERLAND - Tags: SPORT ATHLETICS)