BEIJING, CHINA - AUGUST 29: James Ellington of Great Britain and Tyson Gay of the United States change over to Chijindu Ujah of Great Britain and Mike Rodgers of the United States in the Men's 4x100 Metres Relay final during day eight of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 29, 2015 in Beijing, China. (Photo by Lintao Zhang/Getty Images for IAAF)
