Men's 4X400m relay

Tony McQuay2012 Summer OlympicsBryshon Nellum
Michael Mathieu, of Bahama, passes the baton to teammate Chris Brown as U.S. runner Tony McQuay (2nrR) passes the baton to teammate Bryshon Nellum in their Men's 4X400m relay heat at the London 2012 Olympic Games. Franck Fife, AFP/Getty Images
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