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FILE - In this May 24, 2016, file photo, NFL commissioner Roger Goodell answers reporter's questions at an NFL owner's meeting in Charlotte N.C. The NFL says it will spend an additional $100 million to develop new technology and support more medical research into the growing problem of head injuries. Goodell announced the "Play Smart. Play Safe" initiative in an open letter Wednesday, Sept. 14, 2016. (AP Photo/Bob Leverone, File)
Associated Press | September 14, 2016 10:03 am
NFL pledging $100 million more to address head injuries