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All NFL teams may be using head impact sensors by 2015 Published: June 16, 2014

More NFL players are likely to wear sensors that assess head impact in games this season as the league and its players union expand a project proponents hope will help them tackle the concussion issue, according to USA TODAY.

Kevin Guskiewicz, a University of North Carolina researcher who's a member of league and union safety committees, told USA TODAY Sports two companies are "fine-tuning" their head accelerometer devices based on researchers' feedback in anticipation of wider deployment this fall, with expansion to all 32 teams possible as soon as 2015.

"We need a sample of these players across all positions and studying every play type possible," Guskiewicz said by phone Sunday night. "So, that's the next step. Then I hope from there that, if we find (the devices) have utility that could actually help an individual player … my hope would be that we would go league-wide."

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