Pushing Injury, Pain and Violence to the Limit in American Sports Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email DeSean Jackson of the Philadelphia Eagles is helped off the field after being laid out by Dunta Robinson of the Atlanta Falcons during their game at Lincoln Financial Field on October 17, 2010. ( Al Bello / Getty ) Produced by Hsi-Chang Lin and Jen Poyant Produced by PRI and WNYC