Pittsburgh Steelers starting quarterback Ben Roethlisberger being tested for a concussion
PITTSBURGH, PA - JANUARY 03: Ben Roethlisberger #7 of the Pittsburgh Steelers is tested for a concussion on the sideline in the fourth quarter against the Baltimore Ravens during their AFC Wild Card game at Heinz Field on January 3, 2015 in Pittsburgh, Pennsylvania. (Photo by Justin K. Aller/Getty Images)
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Video: How can the NFL better monitor potential CTE?

Former Minnesota Vikings punter Chris Kluwe says the NFL should mandate a brain scan for every player at the start of training camp to measure if there is any damage from hits before camp starts and monitor it throughout their career.