Buffalo Bills safety Damar Hamlin, whose cardiac arrest during a Monday Night Football game in January made national headlines and led to more than $9 million in donations to his foundation, has been medically cleared by doctors for full football activity. Hamlin has joined the Bills for voluntary workouts this week and is still seeing medical specialists since he collapsed and was resuscitated during a game against the Cincinnati Bengals on Jan. 2. Bills general manager Brandon Beane said Tuesday all three specialists evaluating Hamlin have cleared him to resume football activities. Click the link in @usatoday's bio to learn more.