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FILE – In this May 23, 2017, file photo, NFL commissioner Roger Goodell speaks to the media after an NFL owners meeting in Chicago. A year after the NFL launched the “Play Smart. Play Safe” initiative, pledging $100 million in support of independent medical research and engineering advancements, a huge chunk of that soon will be awarded to such research, primarily dedicated to neuroscience. (AP Photo/Paul Beaty, File)