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In this Sept. 16, 2015, photo, Ohio State linebacker Joshua Perry watches the results of his daily biometrics monitoring before practice in Columbus, Ohio. Ohio State uses the device to track overall physiological readiness of players and how they hold up to the wear and tear of football. (AP Photo/Jay LaPrete)
Associated Press | October 28, 2015 12:43 am
Where safety and strategy meet, culture of football changes