One small green dot on the helmet should have a bigger impact in helping defenses at Louisville and Kentucky football perform at a higher rate this season.

Last year was the first full season in the NCAA’s Football Bowl Subdivision that allowed for coach-to-player helmet communications for one designated player on defense.

They wear the green dot helmet. Only it was more like a sore spot at times last season while working out the glitches that come with trying something new.

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