By STEVE MEGARGEE
AP Sports Writer
MADISON, Wis. (AP) — The mouthguards that some college football players are wearing this season have a dual purpose. These mouthguards do more than provide the obvious protection for teeth and jaws. They also include sensors collecting data to help research the best way to prevent serious head injuries. Ten NFL teams already had been using these sensors for the last few years. College players at Alabama, North Carolina, Washington and Wisconsin also have utilized these custom-made mouthguards this season.
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